<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0016-3813</journal-id>
<journal-title><![CDATA[Gaceta médica de México]]></journal-title>
<abbrev-journal-title><![CDATA[Gac. Méd. Méx]]></abbrev-journal-title>
<issn>0016-3813</issn>
<publisher>
<publisher-name><![CDATA[Academia Nacional de Medicina de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0016-38132021000500512</article-id>
<article-id pub-id-type="doi">10.24875/gmm.21000429</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Patología placentaria y riesgo perinatal durante la pandemia por COVID-19]]></article-title>
<article-title xml:lang="en"><![CDATA[Placental pathology and perinatal risk during the COVID-19 pandemic]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Hernández]]></surname>
<given-names><![CDATA[Víctor M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Luján-Irastorza]]></surname>
<given-names><![CDATA[Jesús E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Durand-Montaño]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Clínica PRONATAL (Bité Médica Hospital)  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2021</year>
</pub-date>
<volume>157</volume>
<numero>5</numero>
<fpage>512</fpage>
<lpage>518</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0016-38132021000500512&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0016-38132021000500512&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0016-38132021000500512&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: Los cambios respiratorios e inmunitarios en el embarazo pueden conducir a infecciones virales. En la enfermedad por coronavirus 2019 (COVID-19) las características clínicas y riesgos perinatales son difíciles de evaluar y son relativamente desconocidos.  Objetivo: Revisar patología placentaria en mujeres asintomáticas con COVID-19 y evaluar efectos en datos perinatales.  Material y método: Estudio retrospectivo, observacional y transversal, incluye 29 mujeres embarazadas en 2020. Se realizaron prueba COVID-19 y dividieron en dos grupos: 1) control, pacientes COVID-19 negativas y 2) COVID-19 asintomáticas con COVID-19 positivo; las placentas se estudiaron en patología y los datos clínicos se tomaron del expediente electrónico; asimismo, se realizó revisión de literatura.  Resultados: Al comparar grupos no se observó diferencia en datos generales y características clínicas. El día del parto, las pacientes 2, 4, 5, 6, 8 y 9 del grupo COVID-19 se encontraban entre día 0 y 10.5 después de positividad; únicamente las pacientes 1, 3 y 7 habían superado la infección. Se presentó disminución de semanas de gestación en el grupo COVID-19 (37.8 ± 1.8 vs. 39 ± 0.8; p &#8804; 0.05). La histopatología placentaria en COVID-19 mostró mayor prevalencia de alteraciones trombóticas en vellosidades placentarias (55.5 vs. 0%).  Conclusiones: La infección asintomática por COVID-19, potencializa perfil protrombótico preexistente, incrementando riesgo de trombosis placentaria y trombosis en mujeres embarazadas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: Respiratory and immune changes during pregnancy can lead to viral infections. In coronavirus disease 2019 (COVID-19), clinical characteristics and perinatal risks are difficult to assess and are relatively unknown.  Objective: To review placental pathology in asymptomatic women with COVID-19, and to evaluate effects on perinatal outcomes.  Material and method: Retrospective, observational, cross-sectional study that included 29 pregnant women in 2020. The women underwent COVID-19 tests and were divided in two groups: 1) control, COVID-19-negative patients, and 2) asymptomatic COVID-19-positive patients; the placentas were studied at the pathology department, and clinical data were retrieved from the electronic medical record; in addition, a literature review was carried out.  Results: When the groups were compared, no differences were observed in general data and clinical characteristics. On the day of delivery, patients 2, 4, 5, 6, 8 and 9 of the COVID-19 group were between day 0 and 10.5 after having tested positive; only patients 1, 3 and 7 had overcome the infection. There was a decrease in weeks of gestation in the COVID-19 group (37.8 ± 1.8 vs. 39 ± 0.8; p &#8804; 0.05). COVID-19-positive patients' placental histopathology showed a higher prevalence of thrombotic alterations in placental villi (55.5 vs. 0 %).  Conclusions: COVID-19 asymptomatic infection potentiates preexisting prothrombotic profile, thus increasing the risk of placental thrombosis and, potentially, of thrombosis in pregnant women.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[Embarazo]]></kwd>
<kwd lng="es"><![CDATA[Placenta]]></kwd>
<kwd lng="es"><![CDATA[Trombosis]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[Pregnancy]]></kwd>
<kwd lng="en"><![CDATA[Placenta]]></kwd>
<kwd lng="en"><![CDATA[Thrombosis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Su]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Wong]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Shi]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Lai]]></surname>
<given-names><![CDATA[ACK]]></given-names>
</name>
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Epidemiology, genetic recombination, and pathogenesis of coronaviruses]]></article-title>
<source><![CDATA[Trends Microbiol]]></source>
<year>2016</year>
<volume>24</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>490-502</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cui]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Shi]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Origin and evolution of pathogenic coronaviruses]]></article-title>
<source><![CDATA[Nat Rev Microbiol]]></source>
<year>2019</year>
<volume>17</volume>
<page-range>181-92</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aragón]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Vargas]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Miranda]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[COVID-19 por SARS-CoV-2:la nueva emergencia de salud]]></article-title>
<source><![CDATA[Rev Mex Pediatr]]></source>
<year>2020</year>
<volume>86</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>213-8</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[Q]]></given-names>
</name>
<name>
<surname><![CDATA[Guan]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Zhou]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Tong]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Early transmission dynamics in Wuhan, China, of novel coronavirus-infected pneumonia]]></article-title>
<source><![CDATA[N Engl J Med]]></source>
<year>2020</year>
<volume>382</volume>
<numero>13</numero>
<issue>13</issue>
<page-range>1199-207</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wan]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Shang]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Graham]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Baric]]></surname>
<given-names><![CDATA[RS]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Receptor recognition by the novel coronavirus from Wuhan:An analysis based on decade-long structural studies of SARS coronavirus]]></article-title>
<source><![CDATA[J Virol]]></source>
<year>2020</year>
<volume>94</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>e00120-27</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[JoséJ Elizalde-González]]></surname>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[SARS-CoV-2 and COVID-19]]></article-title>
<source><![CDATA[A pandemic review- Med Crit]]></source>
<year>2020</year>
<volume>34</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>53-67</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Collange]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Tacquard]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Delabranche]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Leonard-Lorant]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Ohana M,Onea]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Coronavirus Disease 2019:Associated Multiple Organ Damage]]></article-title>
<source><![CDATA[Open Forum Infect Dis]]></source>
<year>2020</year>
<volume>7</volume>
<numero>7</numero>
<issue>7</issue>
</nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Zhong]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Su]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[YJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pathological findings in the testes of COVID-19 patients:Clinical implications]]></article-title>
<source><![CDATA[Eur Urol Focus]]></source>
<year>2020</year>
<volume>1</volume>
<numero>20</numero>
<issue>20</issue>
<page-range>30144-9</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Yin]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Fang]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[Q]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Potential risks of SARS-CoV-2 infection on reproductive health]]></article-title>
<source><![CDATA[Reprod Biomed Online]]></source>
<year>2020</year>
<volume>41</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>89-95</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Duque]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Duque]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Pelaez]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El COVID-19 también afecta el sistema nervioso por una de sus compuertas:el órgano vascular de la lámina terminal y el nervio olfatorio. Alerta neurológica, prueba de disosmia o anosmia puede ayudar a un diagnóstico rápido]]></article-title>
<source><![CDATA[Int J Odontostomat]]></source>
<year>2020</year>
<volume>14</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>285-7</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Iadecola]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Anrather]]></surname>
</name>
<name>
<surname><![CDATA[Kamel]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of COVID-19 on the nervous system]]></article-title>
<source><![CDATA[Cell Press]]></source>
<year>2020</year>
<volume>183</volume>
<page-range>6-28</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carbonell]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Garcia]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Garcia]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Frías]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Cabrera]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Trombosis y COVID-19:Atención primaria clave en el abordaje interdisciplinar]]></article-title>
<source><![CDATA[Semergen]]></source>
<year>2020</year>
<volume>46</volume>
<numero>S1</numero>
<issue>S1</issue>
<page-range>100-1</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shabes]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Mithal]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Otero]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Azad]]></surname>
<given-names><![CDATA[HA]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[ES]]></given-names>
</name>
<name>
<surname><![CDATA[Goldstein]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Placental pathology in COVID-19]]></article-title>
<source><![CDATA[Am J Clin Pathol]]></source>
<year>2020</year>
<volume>154</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-10</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Panahi]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Amiri]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Pouy]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Risks of novel coronavirus disease (COVID-19) in pregnancy;a narrative review]]></article-title>
<source><![CDATA[Arch Acad Emerg Med]]></source>
<year>2020</year>
<volume>8</volume>
<numero>1</numero>
<issue>1</issue>
</nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="">
<collab>Johns Hopkins University &amp;Medicine</collab>
<source><![CDATA[Coronavirus Resource Center [Internet]. Johns Hopkins University &amp;Medicine [último acceso:28 diciembre 2020]]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khan]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Jun]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Nawsherwan]]></surname>
</name>
<name>
<surname><![CDATA[Siddique]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Han]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Association of COVID-19 with pregnancy outcomes in health-care workers and general women]]></article-title>
<source><![CDATA[Clin Microbiol Infect]]></source>
<year>2020</year>
<volume>26</volume>
<page-range>788-90</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Coyne]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Lazear]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Zika virus - reigniting the TORCH]]></article-title>
<source><![CDATA[Nat Rev Microbiol]]></source>
<year>2016</year>
<volume>14</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>707-15</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wastnedge]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Reynolds]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[van Boeckel]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Stock]]></surname>
<given-names><![CDATA[SJ]]></given-names>
</name>
<name>
<surname><![CDATA[Denison]]></surname>
<given-names><![CDATA[FC]]></given-names>
</name>
<name>
<surname><![CDATA[Maybin]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pregnancy and COVID-19]]></article-title>
<source><![CDATA[Physiol Rev]]></source>
<year>2021</year>
<volume>101</volume>
<page-range>303-18</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yudin]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Steele]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Sgro]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Read]]></surname>
<given-names><![CDATA[SE]]></given-names>
</name>
<name>
<surname><![CDATA[Kopplin]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Gough]]></surname>
<given-names><![CDATA[KA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Severe acute respiratory syndrome in pregnancy]]></article-title>
<source><![CDATA[Obstet Gynecol]]></source>
<year>2005</year>
<volume>105</volume>
<page-range>124-7</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wong]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Chow]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Leug]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pregnancy and perinatal outcomes of women with severe acute respiratory syndrome]]></article-title>
<source><![CDATA[Obstet Gynecol]]></source>
<year>2004</year>
<volume>191</volume>
<page-range>292-7</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lam]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Wong]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Leung]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A case-controlled study comparing clinical course and outcomes of pregnant and non-pregnant women with severe acute respiratory syndrome]]></article-title>
<source><![CDATA[BJOG]]></source>
<year>2004</year>
<volume>111</volume>
<page-range>171-4</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Robertson]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Lowther]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Birch]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[SARS and pregnancy:a case report]]></article-title>
<source><![CDATA[Emerg Infect Dis]]></source>
<year>2004</year>
<volume>10</volume>
<page-range>345-8</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schneider]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Duncan]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Reiken]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Perry]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Messick]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Sheedy]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[SARS in pregnancy]]></article-title>
<source><![CDATA[AWHONN Lifelines]]></source>
<year>2004</year>
<volume>8</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>122-8</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alfaraj]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Al-Tawfiq]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Memish]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Middle East respiratory syndrome coronavirus (MERSCoV) infection during pregnancy:report of two cases and review of the literature]]></article-title>
<source><![CDATA[J Microbiol Immunol Infect]]></source>
<year>2019</year>
<volume>52</volume>
<page-range>501-3</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jeong]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Sung]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Sung]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Ahn]]></surname>
<given-names><![CDATA[SY]]></given-names>
</name>
<name>
<surname><![CDATA[Kang]]></surname>
<given-names><![CDATA[ES]]></given-names>
</name>
<name>
<surname><![CDATA[Chang]]></surname>
<given-names><![CDATA[YS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[MERS-CoV infection in a pregnant woman in Korea]]></article-title>
<source><![CDATA[J Korean Med Sci]]></source>
<year>2017</year>
<volume>32</volume>
<page-range>717-20</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alserehi]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Wali]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Alshukairi]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Alraddadi]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impact of Middle East respiratory syndrome coronavirus (MERS-CoV) on pregnancy and perinatal outcome]]></article-title>
<source><![CDATA[BMC Infect Dis]]></source>
<year>2016</year>
<volume>16</volume>
<page-range>105</page-range></nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Assiri]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Abedi]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Al Masri]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Bin Saeed]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Gerber]]></surname>
<given-names><![CDATA[SI]]></given-names>
</name>
<name>
<surname><![CDATA[Watson]]></surname>
<given-names><![CDATA[JT]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Middle East respiratory syndrome coronavirus infection during pregnancy:a report of 5 cases from Saudi Arabia]]></article-title>
<source><![CDATA[Clin Infect Dis]]></source>
<year>2016</year>
<volume>63</volume>
<page-range>951-3</page-range></nlm-citation>
</ref>
<ref id="B28">
<label>28</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Malik]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[El Masry]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Ravi]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Sayed]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Middle East respiratory syndrome coronavirus during pregnancy, Abu Dhabi, United Arab Emirates, 2013]]></article-title>
<source><![CDATA[Emerg Infect Dis]]></source>
<year>2016</year>
<volume>22</volume>
<page-range>515-7</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>29</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Park]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Choi]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Sung]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[JH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Emergency cesarean section in an epidemic of the middle east respiratory syndrome:a case report]]></article-title>
<source><![CDATA[Korean J Anesthesiol]]></source>
<year>2016</year>
<volume>69</volume>
<page-range>289-91</page-range></nlm-citation>
</ref>
<ref id="B30">
<label>30</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Payne]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Iblan]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Alqasrawi]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Stillbirth during infection with Middle East respiratory syndrome coronavirus]]></article-title>
<source><![CDATA[J Infect Dis]]></source>
<year>2014</year>
<volume>209</volume>
<page-range>1870-2</page-range></nlm-citation>
</ref>
<ref id="B31">
<label>31</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sharps]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Hayes]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Zou]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Brady]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
<name>
<surname><![CDATA[Almoghrabi]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A structured review of placental morphology and histopathological lesions associated with SARS-CoV-2 infection]]></article-title>
<source><![CDATA[Placenta]]></source>
<year>2020</year>
<volume>101</volume>
<page-range>13-29</page-range></nlm-citation>
</ref>
<ref id="B32">
<label>32</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ng]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Wong]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Lam]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Mak]]></surname>
<given-names><![CDATA[YF]]></given-names>
</name>
<name>
<surname><![CDATA[Yao]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[KC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The placentas of patients with severe acute respiratory syndrome:a pathophysiological evaluation]]></article-title>
<source><![CDATA[Pathology]]></source>
<year>2006</year>
<volume>38</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>210-8</page-range></nlm-citation>
</ref>
<ref id="B33">
<label>33</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wong]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Chow]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Leung]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Ng]]></surname>
<given-names><![CDATA[WF]]></given-names>
</name>
<name>
<surname><![CDATA[Ng]]></surname>
<given-names><![CDATA[TK]]></given-names>
</name>
<name>
<surname><![CDATA[Shek]]></surname>
<given-names><![CDATA[CC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pregnancy and perinatal outcomes of women with severe acute respiratory syndrome]]></article-title>
<source><![CDATA[Am J Obstet Gynecol]]></source>
<year>2004</year>
<volume>91</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>292-7</page-range></nlm-citation>
</ref>
<ref id="B34">
<label>34</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oliva]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[SARS-CoV-2:origen, estructura, replicación y patogénesis]]></article-title>
<source><![CDATA[Alerta]]></source>
<year>2020</year>
<volume>3</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>79-86</page-range></nlm-citation>
</ref>
<ref id="B35">
<label>35</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Akhtar]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Patel]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Abuelgasim]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Harky]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[COVID-19 (SARS-CoV-2) infection in pregnancy:A systematic review]]></article-title>
<source><![CDATA[Gynecol Obstet Invest]]></source>
<year>2020</year>
<volume>85</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>295-306</page-range></nlm-citation>
</ref>
<ref id="B36">
<label>36</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Della Gatta]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Rizzo]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Pilu]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Simonazzi]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Coronavirus disease 2019 during pregnancy:a systematic review of reported cases]]></article-title>
<source><![CDATA[Am J Obstet Gynecol]]></source>
<year>2020</year>
<volume>223</volume>
<page-range>36-41</page-range></nlm-citation>
</ref>
<ref id="B37">
<label>37</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zaigham]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Andersson]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Maternal and perinatal outcomes with COVID-19:A systematic review of 108 pregnancies]]></article-title>
<source><![CDATA[Acta Obstet Gynecol Scand]]></source>
<year>2020</year>
<volume>99</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>823-9</page-range></nlm-citation>
</ref>
<ref id="B38">
<label>38</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mendoza]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Garcia]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Maiz]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Rodo]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Garcia-Manau]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Serrano]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pre-eclampsia-like syndrome induced by severe COVID-19:a prospective observational study]]></article-title>
<source><![CDATA[BJOG]]></source>
<year>2020</year>
<volume>127</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>1374-80</page-range></nlm-citation>
</ref>
<ref id="B39">
<label>39</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Buckley]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Shertz]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Placental pathology in COVID-19:Case series in a community hospital setting]]></article-title>
<source><![CDATA[Cureus]]></source>
<year>2020</year>
<volume>13</volume>
<numero>1</numero>
<issue>1</issue>
</nlm-citation>
</ref>
<ref id="B40">
<label>40</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Flores]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Miranda]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Vega]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Valdespino]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Helguera]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Espejel]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Molecular insights into the thrombotic and microvascular injury in placental endothelium of women with mild or severe COVID-19]]></article-title>
<source><![CDATA[Cells]]></source>
<year>2021</year>
<volume>10</volume>
<numero>364</numero>
<issue>364</issue>
<page-range>1-21</page-range></nlm-citation>
</ref>
<ref id="B41">
<label>41</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martinez]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Vouga]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Forcen Acebal]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Panchaud]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Muñoz-Chápuli]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Association between mode of delivery among pregnant women with COVID-19 and maternal and neonatal outcomes in Spain]]></article-title>
<source><![CDATA[JAMA]]></source>
<year>2020</year>
<volume>324</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>296-9</page-range></nlm-citation>
</ref>
<ref id="B42">
<label>42</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Metz]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Clifton]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Huges]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Sandoval]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Saade]]></surname>
<given-names><![CDATA[GR]]></given-names>
</name>
<name>
<surname><![CDATA[Grobman]]></surname>
<given-names><![CDATA[WA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Disease severity and perinatal outcomes of pregnant patients with coronavirus disease 2019 (COVID-19)]]></article-title>
<source><![CDATA[Obstet Gynecol]]></source>
<year>2021</year>
<volume>137</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>571-80</page-range></nlm-citation>
</ref>
<ref id="B43">
<label>43</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shanes]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Mithal]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Otero]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Azad]]></surname>
<given-names><![CDATA[HA]]></given-names>
</name>
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[ES]]></given-names>
</name>
<name>
<surname><![CDATA[Goldstein]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Placental pathology in COVID-19]]></article-title>
<source><![CDATA[Am J Clin Pathol]]></source>
<year>2020</year>
<volume>154</volume>
<page-range>23-32</page-range></nlm-citation>
</ref>
<ref id="B44">
<label>44</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Almagro]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La hemostasia en el embarazo]]></article-title>
<source><![CDATA[Revista Cubana de Hematología, Inmunología y Hemoterapia]]></source>
<year>2000</year>
<volume>16</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>90-8</page-range></nlm-citation>
</ref>
<ref id="B45">
<label>45</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lujan]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Durand]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Avila]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Rebollar]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Incidence of hereditary thrombofilies in a population of Mexican women]]></article-title>
<source><![CDATA[Obstetrics &amp;Gynecology International Journal]]></source>
<year>2020</year>
<volume>11</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>208-13</page-range></nlm-citation>
</ref>
<ref id="B46">
<label>46</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lippi]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Favaloro]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[D-dimer is associated with severity of coronavirus disease 2019:A pooled analysis]]></article-title>
<source><![CDATA[Thromb Haemost]]></source>
<year>2020</year>
<volume>120</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>876-7</page-range></nlm-citation>
</ref>
<ref id="B47">
<label>47</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Violi]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Pastori]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Cangemi]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Pignatelli]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Loffredo]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hypercoagulation and antithrombotic treatment in coronavirus 2019]]></article-title>
<source><![CDATA[Thromb Haemost]]></source>
<year>2020</year>
<volume>120</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>949-56</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
