<?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>2448-6760</journal-id>
<journal-title><![CDATA[Veterinaria México OA]]></journal-title>
<abbrev-journal-title><![CDATA[Veterinaria México OA]]></abbrev-journal-title>
<issn>2448-6760</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Medicina Veterinaria y Zootecnia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-67602016000100002</article-id>
<article-id pub-id-type="doi">10.21753/vmoa.3.1.359</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Association of histological features with potential risk factors and survival in canine mammary tumors]]></article-title>
<article-title xml:lang="es"><![CDATA[Asociación histológica con factores potenciales de riesgo y tiempo de sobrevida en el tumor mamario canino]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salas]]></surname>
<given-names><![CDATA[Yaritza]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aburto]]></surname>
<given-names><![CDATA[Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alonso]]></surname>
<given-names><![CDATA[Rogelio A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Márquez]]></surname>
<given-names><![CDATA[Adelys]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Corona]]></surname>
<given-names><![CDATA[Hortensia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romero]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina Veterinaria y Zootecnia ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Centroccidental &#8220;Lisandro Alvarado&#8221; Departamento de Patología ]]></institution>
<addr-line><![CDATA[ Lara]]></addr-line>
<country>Venezuela</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,University of Prince Edward Island Department of Pathology and Microbiology ]]></institution>
<addr-line><![CDATA[Charlottetown Prince Edward Island]]></addr-line>
<country>Canada</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina Veterinaria y Zootecnia Departamento de Genética y Bioestadística]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Centroccidental &#8220;Lisandro Alvarado&#8221; Departamento de Fisiología ]]></institution>
<addr-line><![CDATA[ Lara]]></addr-line>
<country>Venezuela</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina Veterinaria y Zootecnia ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina Veterinaria y Zootecnia Departamento de Patología]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2016</year>
</pub-date>
<volume>3</volume>
<numero>1</numero>
<fpage>0</fpage>
<lpage>0</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-67602016000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-67602016000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-67602016000100002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The epidemiological and clinicopathological features of canine mammary tumors may provide valuable information to facilitate analysis of the behavior of the disease and represent a potential tool for the study of breast cancer in women. The aim of this study was to associate the histological features of canine mammary tumors with potential risk factors and survival. One hundred and seventy-eight mammary tumors were collected from 80 female dogs. The statistical analyses consisted of a series of univariate studies and frequencies of the different study variables, such as a bivariate analysis with the Chi squared test (&#967;2), a relative risk and Kaplan Meier survival analysis, and a multiple correspondence analysis was used to correlate the tumor&#8217;s biological behavior with the dogs&#8217; breed. Most patients were older than 8 years and had at least one malignant tumor, which was usually solitary and measured more than 6 cm; these patients had poor survival. The most frequent tumors were a complex adenoma, benign mixed tumor, carcinoma complex and mixed type carcinoma. The most commonly affected breeds were Poodle, Cocker Spaniel and Dachshund, and the breeds at the highest risk of tumor development were Cocker Spaniel, Labrador Retriever and German Shepherd. Overall, the data indicated that mammary tumors in dogs mainly affected older females with malignant tumors and that there were high mortality and short-term survival rates. However, the most commonly affected breeds were not necessarily the most susceptible. Our data do not support the hypothesis of an increased risk of canine mammary tumors in nulliparous female dogs.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Las características epidemiológicas y clínico-patológicas del tumor mamario canino es información valiosa para analizar el comportamiento de la enfermedad y son un recurso potencial para promover avances en el cáncer de mama en mujeres. El objetivo de este trabajo fue asociar las características histológicas del tumor mamario canino con factores potenciales de riesgo y el tiempo de sobrevida. De 80 perras enteras, se recolectaron 178 tumores mamarios. El análisis estadístico consistió en análisis de frecuencia de las variables de estudio, análisis bivariado con Chi cuadrado (&#967;2), riesgo relativo, análisis de supervivencia Kaplan-Meier y un análisis de correspondencia múltiple que se utilizó para correlacionar el comportamiento biológico del tumor con la raza de las perras. La mayoría de las pacientes fueron mayores de 8 años de edad, con al menos un tumor maligno, casi siempre solitario, de gran tamaño y de mal pronóstico. Los tumores más frecuentes fueron el adenoma complejo, el tumor mixto benigno, el carcinoma complejo y el carcinoma tipo mixto. Las razas afectadas con mayor frecuencia fueron el Poodle, Cocker Spaniel y Dachshund; sólo el Cocker, el Labrador y el Pastor Alemán mostraron mayor riesgo. En general, los datos indican que el tumor mamario canino afecta sobre todo a hembras enteras, adultas mayores de 8 años de diversas razas; cursa con mortalidad alta y sobrevida corta en pacientes con tumor maligno de gran tamaño; sin embargo, las razas más afectadas no necesariamente son las más predispuestas. Este estudio no corrobora que exista un mayor riesgo de tumor mamario canino en perras nulíparas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Canine mammary tumor]]></kwd>
<kwd lng="en"><![CDATA[Epidemiology]]></kwd>
<kwd lng="en"><![CDATA[Survival]]></kwd>
<kwd lng="en"><![CDATA[Clinicopathological features]]></kwd>
<kwd lng="es"><![CDATA[Tumor mamario canino]]></kwd>
<kwd lng="es"><![CDATA[Epidemiologia]]></kwd>
<kwd lng="es"><![CDATA[Sobrevida]]></kwd>
<kwd lng="es"><![CDATA[Características clínicopatológicas]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Classification and behavior of canine mammary epithelial neoplasms based on life-span observations in Beagles]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Benjamin]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[AC]]></given-names>
</name>
<name>
<surname><![CDATA[Saunders]]></surname>
<given-names><![CDATA[WJ]]></given-names>
</name>
</person-group>
<source><![CDATA[Veterinary Pathology]]></source>
<year>1999</year>
<volume>36</volume>
<page-range>426-36</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Data from the Danish veterinary cancer registry on the occurrence and distribution of neoplasms in dogs in Denmark]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bronden]]></surname>
<given-names><![CDATA[LB]]></given-names>
</name>
<name>
<surname><![CDATA[Nielsen]]></surname>
<given-names><![CDATA[SS]]></given-names>
</name>
<name>
<surname><![CDATA[Toft]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Kristensen]]></surname>
<given-names><![CDATA[AT]]></given-names>
</name>
</person-group>
<source><![CDATA[Veterinary Record]]></source>
<year>2010</year>
<volume>166</volume>
<page-range>586-90</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Tipos de muestreo]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Casal]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Mateu]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista de Epidemiologia de Medicina Preventiva]]></source>
<year>2003</year>
<volume>1</volume>
<page-range>3-7</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Evaluation of accuracy of fine needle aspiration biopsy for diagnosis of canine mammary tumors: Comparative features with the human tumors]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cassali]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Gobbi]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Malm]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Schmitt]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<source><![CDATA[Cytopathology]]></source>
<year>2006</year>
<volume>17</volume>
<page-range>1-7</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Prognostic factors associated with survival two years after surgery in dogs with malignant mammary tumors: 79 cases (8-2002)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chang]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Chang]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Chang]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Wong]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of American Veterinary Medical Association]]></source>
<year>2005</year>
<volume>227</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1625-9</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Clinical experimental studies of benign prostatic hyperplasia]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Coffey]]></surname>
<given-names><![CDATA[DS]]></given-names>
</name>
<name>
<surname><![CDATA[Walsh]]></surname>
<given-names><![CDATA[PC]]></given-names>
</name>
</person-group>
<source><![CDATA[Urologic Clinics of North American]]></source>
<year>1990</year>
<volume>17</volume>
<page-range>461-75</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The use of multiple correspondence analysis to explore associations between categories of qualitative variables in healthy ageing]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[PS]]></given-names>
</name>
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[NC]]></given-names>
</name>
<name>
<surname><![CDATA[Cunha]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Cotter]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Aging Research]]></source>
<year>2013</year>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Invasión vascular, expresión del receptor 2 del factor de crecimiento de endotelios vasculares (VEGFR-2) y densidad de microvasos en carcinomas mamarios de perras. Valor pronóstico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Diessler]]></surname>
<given-names><![CDATA[ME]]></given-names>
</name>
<name>
<surname><![CDATA[Castelland]]></surname>
<given-names><![CDATA[MC]]></given-names>
</name>
<name>
<surname><![CDATA[Portianskyl]]></surname>
<given-names><![CDATA[EL]]></given-names>
</name>
<name>
<surname><![CDATA[Burns]]></surname>
<given-names><![CDATA[SL]]></given-names>
</name>
<name>
<surname><![CDATA[Idiar]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
</person-group>
<source><![CDATA[Ciencias Morfológicas]]></source>
<year>2009</year>
<volume>11</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>15-24</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Incidence of and survival after mammary tumors in a population of over 80,000 insured female dogs in Sweden from 1995 to 2002]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Egenvall]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Bonnett]]></surname>
<given-names><![CDATA[BN]]></given-names>
</name>
<name>
<surname><![CDATA[Ohagen]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Olson]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Hedhammar]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[von Euler]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<source><![CDATA[Preventive Veterinary Medicine]]></source>
<year>2005</year>
<volume>69</volume>
<page-range>109-27</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The relationship between tumour size and expression of prognostic markers in benign and malignant canine mammary tumours]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Bertagnolli]]></surname>
<given-names><![CDATA[AC]]></given-names>
</name>
<name>
<surname><![CDATA[Cavalcanti]]></surname>
<given-names><![CDATA[MF]]></given-names>
</name>
<name>
<surname><![CDATA[Schmitt]]></surname>
<given-names><![CDATA[FC]]></given-names>
</name>
<name>
<surname><![CDATA[Cassali]]></surname>
<given-names><![CDATA[GD]]></given-names>
</name>
</person-group>
<source><![CDATA[Veterinary Comparative Oncology]]></source>
<year>2009</year>
<volume>7</volume>
<page-range>230-5</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Neoplasias mamárias em cadelas: influencia hormonal e efeitos da ovariohisterectomia como terapia adjuvante]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fonseca]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
<name>
<surname><![CDATA[Daleck]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
</person-group>
<source><![CDATA[Ciência Rural]]></source>
<year>2000</year>
<volume>30</volume>
<page-range>731-5</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Identification of molecular phenotypes in canine mammary carcinomas with clinical implications: Application of the human classification]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gama]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Alves]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Schmitt]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<source><![CDATA[Virchows Archives]]></source>
<year>2008</year>
<volume>453</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>123-32</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Classification and grading of canine mammary tumors]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Goldschmidt]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Peña]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Rasotto]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Zappulli]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
</person-group>
<source><![CDATA[Veterinary Pathology]]></source>
<year>2011</year>
<volume>48</volume>
<page-range>117-31</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Analysis of a new histological and molecular-based classification of canine mammary neoplasia]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Im]]></surname>
<given-names><![CDATA[KS]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[NH]]></given-names>
</name>
<name>
<surname><![CDATA[Lim]]></surname>
<given-names><![CDATA[HY]]></given-names>
</name>
<name>
<surname><![CDATA[Kim]]></surname>
<given-names><![CDATA[HW]]></given-names>
</name>
<name>
<surname><![CDATA[Shin]]></surname>
<given-names><![CDATA[JI]]></given-names>
</name>
<name>
<surname><![CDATA[Sur]]></surname>
<given-names><![CDATA[JH.]]></given-names>
</name>
</person-group>
<source><![CDATA[Veterinary Pathology]]></source>
<year>2014</year>
<volume>51</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>549-59</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Epidemiological studies on canine mammary tumour and its relevance for breast cancer studies]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kuldip]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Naresh]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Sanjeev]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Jitender]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Shashikant]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Raghunath]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[IOSR Journal of Pharmacy]]></source>
<year>2012</year>
<volume>2</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>322-33</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Prognostic factors in canine mammary cancer]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Misdrop]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Hart]]></surname>
<given-names><![CDATA[AAM]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of The National Cancer Institute]]></source>
<year>1976</year>
<volume>56</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>779-85</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Aspectos epidemiológicos da neoplasia mamária canina]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[LO]]></given-names>
</name>
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[RT]]></given-names>
</name>
<name>
<surname><![CDATA[Loretti]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Rodrigues]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Driemeier]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<source><![CDATA[Acta Scientiae Veterinariae]]></source>
<year>2003</year>
<volume>31</volume>
<page-range>105-10</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Relation between habitual diet and canine mammary tumors in a case-control study]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Perez Alenza]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Rutteman]]></surname>
<given-names><![CDATA[GR]]></given-names>
</name>
<name>
<surname><![CDATA[Pena]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Veterinary Internal Medicine]]></source>
<year>1998</year>
<volume>12</volume>
<page-range>132-9</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[HER-2 expression in canine morphologically normal, hyperplastic and neoplastic mammary tissues and its correlation with the clinical outcome]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ressel]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Puleio]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Ruggero Loria]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Vannozzi]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Millanta]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Caracappa]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Research in Veterinary Science]]></source>
<year>2013</year>
<volume>94</volume>
<page-range>299-305</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Mammary tumor development in dogs is associated with BRCA1 and BRCA2]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rivera]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Melin]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Biagi]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Fall]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Häggström]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Lindblad-Toh]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[von Euler]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<source><![CDATA[Cancer Research]]></source>
<year>2009</year>
<volume>69</volume>
<page-range>8770-4</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Lactancia materna y cáncer de mama: Un estudio caso-control en pacientes del Hospital Nacional Arzobispo Loayza, Lima-Perú]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rojas]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<source><![CDATA[Anales Facultad de Medicina]]></source>
<year>2008</year>
<volume>69</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>22-8</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Epidemiological study of mammary tumors in female dogs diagnosed during the period 2002-2012: A growing animal health problem]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Salas]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Márquez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Diaz]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Romero]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<source><![CDATA[PLOS ONE]]></source>
<year>2015</year>
<volume>10</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>e0127381</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Factors influencing canine mammary cancer development and postsurgical survival]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schneider]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Dorn]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
<name>
<surname><![CDATA[Taylor]]></surname>
<given-names><![CDATA[DO]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal National Cancer Institute]]></source>
<year>1969</year>
<volume>43</volume>
<page-range>1249-61</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Body conformation, diet, and risk of breast cancer in pet dogs: A case-control study]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sonnenschein]]></surname>
<given-names><![CDATA[EG]]></given-names>
</name>
<name>
<surname><![CDATA[Glickman]]></surname>
<given-names><![CDATA[LT]]></given-names>
</name>
<name>
<surname><![CDATA[Goldschmidt]]></surname>
<given-names><![CDATA[MH]]></given-names>
</name>
<name>
<surname><![CDATA[McKee]]></surname>
<given-names><![CDATA[LJ]]></given-names>
</name>
</person-group>
<source><![CDATA[American Journal Epidemiology]]></source>
<year>1991</year>
<volume>133</volume>
<page-range>694-703</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Canine mammary gland tumors]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sorenmo]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<source><![CDATA[Veterinary Clinical Small Animal]]></source>
<year>2003</year>
<volume>33</volume>
<page-range>573-96</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Effect of spaying and timing of spaying on survival of dogs with mammary carcinoma]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sorenmo]]></surname>
<given-names><![CDATA[KU]]></given-names>
</name>
<name>
<surname><![CDATA[Shofer]]></surname>
<given-names><![CDATA[FS]]></given-names>
</name>
<name>
<surname><![CDATA[Goldschmidt]]></surname>
<given-names><![CDATA[MH]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Veterinary Internal Medicine]]></source>
<year>2000</year>
<volume>14</volume>
<page-range>266-70</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="book">
<article-title xml:lang=""><![CDATA[Hematoxilina y eosina]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thomas]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Métodos histotecnológicos]]></source>
<year>1995</year>
<page-range>55-8</page-range><publisher-name><![CDATA[Registro de Patología de los Estados Unidos de América (ARP) y el Instituto de Patología de las Fuerzas Armadas de los Estados Unidos de América (AFIP)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Mammatumore bei der huding: Hormolle abhangigkeit unter besonderer berucksichtigung von 17 ß ostradiol und progesteron]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wey]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Gutberlet]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Khon]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<source><![CDATA[Kleintierpraxis]]></source>
<year>2000</year>
<volume>45</volume>
<page-range>19-31</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[17Beta-estradiol epoxidation as the molecular basis for breast cancer initiation and prevention]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[FL]]></given-names>
</name>
</person-group>
<source><![CDATA[Asia Pacific Journal of Clinical Nutrition]]></source>
<year>2002</year>
<volume>11</volume>
<numero>^s7</numero>
<issue>^s7</issue>
<supplement>7</supplement>
<page-range>S460-6</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Breed and age as risk factors for canine mammary tumours]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zatloukal]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Lorenzová]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Tich]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Neâas]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Kecová]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Kohout]]></surname>
</name>
</person-group>
<source><![CDATA[Acta Veterinaria Brunensis]]></source>
<year>2005</year>
<volume>74</volume>
<page-range>103-9</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
