<?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>1405-0099</journal-id>
<journal-title><![CDATA[Cirujano general]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. gen]]></abbrev-journal-title>
<issn>1405-0099</issn>
<publisher>
<publisher-name><![CDATA[Asociación Mexicana de Cirugía General A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-00992020000400306</article-id>
<article-id pub-id-type="doi">10.35366/101400</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Vólvulo gástrico: reporte de caso en el Hospital Central Universitario del Estado de Chihuahua]]></article-title>
<article-title xml:lang="en"><![CDATA[Gastric volvulus: case report in Central Hospital of the State of Chihuahua]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villela Cañas]]></surname>
<given-names><![CDATA[Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carrillo Gorena]]></surname>
<given-names><![CDATA[Marco Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soto Pérez]]></surname>
<given-names><![CDATA[Armando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguirre Baca]]></surname>
<given-names><![CDATA[David Alfonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Enríquez Sánchez]]></surname>
<given-names><![CDATA[Luis Bernardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Padilla López]]></surname>
<given-names><![CDATA[José Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes Carrillo]]></surname>
<given-names><![CDATA[Armando Isaac]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Ruíz]]></surname>
<given-names><![CDATA[Manuel David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Contreras Pacheco]]></surname>
<given-names><![CDATA[Arely Estefania]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Central Universitario &#8220;Dr. Jesús Enrique Grajeda Herrera&#8221; Departamento de Cirugía General ]]></institution>
<addr-line><![CDATA[ Chihuahua]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>42</volume>
<numero>4</numero>
<fpage>306</fpage>
<lpage>310</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-00992020000400306&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-00992020000400306&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-00992020000400306&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El vólvulo gástrico es una entidad clínica poco común, caracterizada por una rotación anormal del estómago en uno de sus ejes (longitudinal o axial), entidad con elevada morbimortalidad y riesgo de complicaciones (obstrucción o perforación). Es necesario tener alta sospecha clínica para diagnosticarlo tempranamente y tratarlo. Reporte de caso de vólvulo gástrico en mujer de 50 años que ingresa por cuadro abdominal de tres días de evolución con dolor, náusea y vómito. Durante laparotomía exploradora se encuentra hernia hiatal grado IV con vólvulo gástrico asociado, se trata quirúrgicamente; sin embargo, tiene una evolución tórpida y fallece por complicaciones.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Gastric volvulus is a rare clinical entity characterized by an abnormal rotation of the stomach in one of its axes (longitudinal or axial) which has a high morbidity/mortality and high risk of complications (obstruction or perforation). It is necessary to have a clinical suspicious in order to give an early diagnosis and prevent complications. Report of a case of a 50-year-old female admitted for a 3-day history of abdominal pain, nausea and vomiting. By laparotomy we found a hiatal hernia grade IV and gastric volvulus. It is treated surgically; however, it has a torpid evolution and dies from complications.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Vólvulo gástrico]]></kwd>
<kwd lng="es"><![CDATA[hernia hiatal]]></kwd>
<kwd lng="es"><![CDATA[isquemia gástrica]]></kwd>
<kwd lng="es"><![CDATA[gastrectomía]]></kwd>
<kwd lng="en"><![CDATA[Stomach volvulus]]></kwd>
<kwd lng="en"><![CDATA[hiatal hernia]]></kwd>
<kwd lng="en"><![CDATA[gastric ischemia]]></kwd>
<kwd lng="en"><![CDATA[gastrectomy]]></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[Takahashi]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Yamoto]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Nomura]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Ooyama]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Sekioka]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Yamada]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Single-incision laparoscopic gastropexy for mesentero-axial gastric volvulus]]></article-title>
<source><![CDATA[Surg Case Rep]]></source>
<year>2019</year>
<volume>5</volume>
<page-range>19</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[Akhtar]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Siddiqui]]></surname>
<given-names><![CDATA[FS]]></given-names>
</name>
<name>
<surname><![CDATA[Sheikh]]></surname>
<given-names><![CDATA[AAE]]></given-names>
</name>
<name>
<surname><![CDATA[Sheikh]]></surname>
<given-names><![CDATA[AB]]></given-names>
</name>
<name>
<surname><![CDATA[Perisetti]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gastric volvulus: a rare entity case report and literature review]]></article-title>
<source><![CDATA[Cureus]]></source>
<year>2018</year>
<volume>10</volume>
</nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Caldaro]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Torroni]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Romeo]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Federici di Abriola]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Dall&#8217;Oglio]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Gastric volvulus]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Till]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Thompson]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Foker]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Holcomb]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Khan]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<source><![CDATA[Esophageal and gastric disorders in infancy and childhood]]></source>
<year>2017</year>
<volume>1</volume>
<page-range>1355-60</page-range><publisher-loc><![CDATA[Berlin ]]></publisher-loc>
<publisher-name><![CDATA[Heidelberg: Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chand]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Dey]]></surname>
<given-names><![CDATA[SK]]></given-names>
</name>
<name>
<surname><![CDATA[Shaw]]></surname>
<given-names><![CDATA[SC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chronic gastric volvulus: Cause of feed intolerance]]></article-title>
<source><![CDATA[Indian J Pediatr]]></source>
<year>2018</year>
<volume>85</volume>
<page-range>686-7</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[Murata]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Kamiizumi]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Ishizuka]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Kashiwakura]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Tsuji]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Kasai]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Recurrent gastric volvulus associated with a gastrointestinal stromal tumor: A case report]]></article-title>
<source><![CDATA[Int J Surg Case Rep]]></source>
<year>2019</year>
<volume>57</volume>
<page-range>126-9</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[Rajkumar]]></surname>
<given-names><![CDATA[JS]]></given-names>
</name>
<name>
<surname><![CDATA[Venkatesan]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Rajkumar]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Prabhakaran]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Akbar]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A case of organo-axial gastric volvulus following laparoscopic fundoplication: a case report]]></article-title>
<source><![CDATA[Indian J Surg]]></source>
<year>2017</year>
<volume>79</volume>
<page-range>357-9</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[Al Daoud]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Daswani]]></surname>
<given-names><![CDATA[GS]]></given-names>
</name>
<name>
<surname><![CDATA[Perinjelil]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Nigam]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Acute organoaxial gastric volvulus: a massive problem with a twist-case report]]></article-title>
<source><![CDATA[Int J Surg Case Rep]]></source>
<year>2017</year>
<volume>41</volume>
<page-range>366-9</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ostiz Llanos]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Ruiz Goikoetxea]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Cozcolluela]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vólvulo gástrico crónico: una causa infrecuente de dispepsia]]></article-title>
<source><![CDATA[RAPD online]]></source>
<year>2018</year>
<volume>41</volume>
<page-range>311-3</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[Moreno-Egea]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Morales Cuenca]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vólvulo gástrico por hernia diafragmática crónica]]></article-title>
<source><![CDATA[Rev Chil Cir]]></source>
<year>2016</year>
<volume>68</volume>
<page-range>205-7</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[Moore]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Matthews]]></surname>
<given-names><![CDATA[LR]]></given-names>
</name>
<name>
<surname><![CDATA[Danner]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Taha]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Bashan-Gilzenrat]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Nguyen]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[&#8221;Black esophagus&#8221; and gastric volvulus following slipped laparoscopic adjustable gastric band]]></article-title>
<source><![CDATA[Obes Surg]]></source>
<year>2018</year>
<volume>28</volume>
<page-range>2941-8</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[Sánchez]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
<name>
<surname><![CDATA[Vique]]></surname>
<given-names><![CDATA[BL]]></given-names>
</name>
<name>
<surname><![CDATA[Ardiles]]></surname>
<given-names><![CDATA[CO]]></given-names>
</name>
<name>
<surname><![CDATA[Herquiñigo]]></surname>
<given-names><![CDATA[RD]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Vólvulo gástrico: ¿Por qué recordarlo? Revisión a propósito de un caso]]></article-title>
<source><![CDATA[Rev Chil Radiol]]></source>
<year>2012</year>
<volume>18</volume>
<page-range>129-35</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[Jain]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Shah]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Total gangrenous mesentroaxial gastric volvulus: case report]]></article-title>
<source><![CDATA[Indian J Surg]]></source>
<year>2018</year>
<volume>80</volume>
<page-range>616-7</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[Eshiba]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Kotb]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Shehata]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Acute gastric volvulus through an unsuspected diaphragmatic hernia]]></article-title>
<source><![CDATA[J Pediatr Surg Case Rep]]></source>
<year>2019</year>
<volume>41</volume>
<page-range>21-3</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[Mazaheri]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Ballard]]></surname>
<given-names><![CDATA[DH]]></given-names>
</name>
<name>
<surname><![CDATA[Neal]]></surname>
<given-names><![CDATA[KA]]></given-names>
</name>
<name>
<surname><![CDATA[Raptis]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
<name>
<surname><![CDATA[Shetty]]></surname>
<given-names><![CDATA[AS]]></given-names>
</name>
<name>
<surname><![CDATA[Raptis]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[CT of gastric volvulus: interobserver reliability, radiologists&#8217; accuracy, and imaging findings]]></article-title>
<source><![CDATA[AJR Am J Roentgenol]]></source>
<year>2019</year>
<volume>212</volume>
<page-range>103-8</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramos]]></surname>
<given-names><![CDATA[GP]]></given-names>
</name>
<name>
<surname><![CDATA[Majumder]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Ravi]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Sweetser]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Role of diagnostic preoperative upper gastrointestinal endoscopy in radiologically confirmed gastric volvulus]]></article-title>
<source><![CDATA[Dig Dis Sci]]></source>
<year>2018</year>
<volume>63</volume>
<page-range>3091-6</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kumar]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Kalra]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Namdeo]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Soni]]></surname>
<given-names><![CDATA[RK]]></given-names>
</name>
<name>
<surname><![CDATA[Sinha]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Acute gastric volvulus: A vicious twist of tummy-case report]]></article-title>
<source><![CDATA[Int J Surg Case Rep]]></source>
<year>2017</year>
<volume>30</volume>
<page-range>81-5</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[Hsu]]></surname>
<given-names><![CDATA[YC]]></given-names>
</name>
<name>
<surname><![CDATA[Perng]]></surname>
<given-names><![CDATA[CL]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[CK]]></given-names>
</name>
<name>
<surname><![CDATA[Tsai]]></surname>
<given-names><![CDATA[JJ]]></given-names>
</name>
<name>
<surname><![CDATA[Lin]]></surname>
<given-names><![CDATA[HJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Conservative management of chronic gastric volvulus: 44 cases over 5 years]]></article-title>
<source><![CDATA[World J Gastroenterol]]></source>
<year>2010</year>
<volume>16</volume>
<page-range>4200-5</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[Yates]]></surname>
<given-names><![CDATA[RB]]></given-names>
</name>
<name>
<surname><![CDATA[Hinojosa]]></surname>
<given-names><![CDATA[MW]]></given-names>
</name>
<name>
<surname><![CDATA[Wright]]></surname>
<given-names><![CDATA[AS]]></given-names>
</name>
<name>
<surname><![CDATA[Pellegrini]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
<name>
<surname><![CDATA[Oelschlager]]></surname>
<given-names><![CDATA[BK]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Laparoscopic gastropexy relieves symptoms of obstructed gastric volvulus in highoperative risk patients]]></article-title>
<source><![CDATA[Am J Surg]]></source>
<year>2015</year>
<volume>209</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>875-80</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
