<?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>1727-897X</journal-id>
<journal-title><![CDATA[MediSur]]></journal-title>
<abbrev-journal-title><![CDATA[Medisur]]></abbrev-journal-title>
<issn>1727-897X</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas de Cienfuegos, Centro Provincial de Ciencias Médicas, Provincia de Cienfuegos.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1727-897X2020000500886</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Aspectos imagenológicos útiles en el diagnóstico y seguimiento de pacientes con COVID-19]]></article-title>
<article-title xml:lang="en"><![CDATA[Useful imaging aspects in the diagnosis and monitoring of patients with COVID-19]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villafuerte Delgado]]></surname>
<given-names><![CDATA[Dianarelys]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ojeda Delgado]]></surname>
<given-names><![CDATA[Lianet]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valladares Valle]]></surname>
<given-names><![CDATA[Masleidy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz Yanes]]></surname>
<given-names><![CDATA[Nery María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Yanes Isray]]></surname>
<given-names><![CDATA[Odalis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cerda Parra]]></surname>
<given-names><![CDATA[Gerardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital General Universitario Dr. Gustavo Aldereguia Lima  ]]></institution>
<addr-line><![CDATA[Cienfuegos Cienfuegos]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2020</year>
</pub-date>
<volume>18</volume>
<numero>5</numero>
<fpage>886</fpage>
<lpage>898</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1727-897X2020000500886&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1727-897X2020000500886&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1727-897X2020000500886&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Las neumonías por virus son la causa principal de infecciones de las vías respiratorias en la comunidad y suelen remitir espontáneamente. Los coronavirus son una familia de virus que causan infección tanto a humanos como a muchos animales. El actual brote se debe a una nueva cepa del coronavirus denominada SARS-CoV-2, hasta ahora nunca antes descrita en humanos. La prueba diagnóstica de elección es la reacción en cadena de la polimerasa en tiempo real. Los estudios imagenológicos están jugando un papel clave en el manejo de los pacientes con infección por COVID-19. Este artículo tiene como objetivo señalar aspectos imagenológicos de interés para el diagnóstico por radiografía y tomografía computarizada en estos pacientes, apuntar sobre la semántica que imagenológicamente se está utilizando y mencionar algunas consideraciones importantes de sociedades científicas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Viral pneumonia is the main cause of respiratory system infections in the community and they usually regress spontaneously. Coronavirus is part of a family of viruses that cause infections in humans and certain animals. The current outbreak that originated in Wuhan city in Hubei Province, China, is due to a new strain called SARS Covid 2, never described in humans before .The diagnostic test is real-time PCR. Imaging studies are being a key role in the management of patients with covid infection 19.This article aims to point out the aspects of interest for x rays and tomography diagnosis in these patients, point out the semantics used and to mention some important considerations from scientific societies.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[infecciones por coronavirus]]></kwd>
<kwd lng="es"><![CDATA[diagnóstico por imagen]]></kwd>
<kwd lng="es"><![CDATA[radiografía]]></kwd>
<kwd lng="es"><![CDATA[tomografía]]></kwd>
<kwd lng="en"><![CDATA[coronavirus infections]]></kwd>
<kwd lng="en"><![CDATA[diagnostic imaging]]></kwd>
<kwd lng="en"><![CDATA[radiography]]></kwd>
<kwd lng="en"><![CDATA[tomography]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aguilar García]]></surname>
<given-names><![CDATA[JJ]]></given-names>
</name>
<name>
<surname><![CDATA[Tienda Flores]]></surname>
<given-names><![CDATA[MJ]]></given-names>
</name>
<name>
<surname><![CDATA[Ruiz Guerrero]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez Polanco]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Domínguez Pérez]]></surname>
<given-names><![CDATA[MD]]></given-names>
</name>
<name>
<surname><![CDATA[Iribarren Marín]]></surname>
<given-names><![CDATA[MA.]]></given-names>
</name>
</person-group>
<source><![CDATA[Manifestaciones radiológicas de la neumonía en la práctica diaria. Sujeto sano inmunocompetente]]></source>
<year>2012</year>
<publisher-loc><![CDATA[Granada ]]></publisher-loc>
<publisher-name><![CDATA[SERAM]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="book">
<collab>Globetech Media LLC</collab>
<source><![CDATA[MedImaging en español. Radiólogos identifican características del coronavirus en la TC]]></source>
<year>2020</year>
<page-range>2</page-range><publisher-loc><![CDATA[Hollywood ]]></publisher-loc>
<publisher-name><![CDATA[Globetech Media LLC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Trilla]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Un mundo, una salud la epidemia por el nuevo coronavirus COVID-19]]></article-title>
<source><![CDATA[Med Clin]]></source>
<year>2020</year>
<volume>154</volume>
<page-range>175-7</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[Wang]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Hu]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Zhu]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical Characteristics of 138 Hospitalized Patients with 2019 Novel Coronavirus-Infected Penumonia in Wuhan China]]></article-title>
<source><![CDATA[JAMA]]></source>
<year>2020</year>
<volume>323</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>1061-9</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Salazar]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Armijos]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Imbo]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
</person-group>
<source><![CDATA[Tomografía computarizada (TC) de tórax en el diagnóstico de COVID-19]]></source>
<year>2020</year>
<publisher-loc><![CDATA[Berlín ]]></publisher-loc>
<publisher-name><![CDATA[Researchgate]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhao]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Zhong]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Xie]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[Q]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Relation Between Chest CT Findings and Clinical Conditions of Coronavirus Disease (COVID-19) Pneumonia: A Multicenter Study]]></article-title>
<source><![CDATA[Am J Roentgenol]]></source>
<year>2020</year>
<page-range>1-6</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Onoda]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez Chamorro]]></surname>
<given-names><![CDATA[MJ.]]></given-names>
</name>
</person-group>
<source><![CDATA[Grupo de Patología Infecciosa de la Asociación Española de Pediatría de Atención Primaria. Pruebas diagnósticas de laboratorio de COVID-19]]></source>
<year>2020</year>
<publisher-loc><![CDATA[Asturias ]]></publisher-loc>
<publisher-name><![CDATA[AEPAP]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="book">
<collab>Organización Mundial de la Salud</collab>
<source><![CDATA[Laboratory testing for 2019 novel coronavirus (2019-nCoV) in suspected human cases. Interim guidance]]></source>
<year>2020</year>
<publisher-loc><![CDATA[Ginebra ]]></publisher-loc>
<publisher-name><![CDATA[OMS]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moreno]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Retos y dificultades en el diagnóstico de la COVID-19]]></source>
<year>2020</year>
<publisher-loc><![CDATA[La Jolla ]]></publisher-loc>
<publisher-name><![CDATA[Webinar. Genesis Digital LLC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pinzon]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Retos y dificultades en el diagnóstico de la COVID-19. Aspectos claves para el radiólogo]]></source>
<year>2020</year>
<publisher-loc><![CDATA[La Jolla ]]></publisher-loc>
<publisher-name><![CDATA[Webinar. Genesis Digital LLC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zu]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Jiang]]></surname>
<given-names><![CDATA[MD]]></given-names>
</name>
<name>
<surname><![CDATA[Xu]]></surname>
<given-names><![CDATA[PP]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Ni]]></surname>
<given-names><![CDATA[QQ]]></given-names>
</name>
<name>
<surname><![CDATA[Lu]]></surname>
<given-names><![CDATA[GM]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[LJ.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Coronavirus Disease 2019 (Covid-19): A Perspective from China]]></article-title>
<source><![CDATA[Radiology]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez Oro]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Torres Nuez]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez Sanz]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La radiología en el diagnóstico de la neumonía por SARS-CoV-2 (COVID-19)]]></article-title>
<source><![CDATA[Med Clin (Barc)]]></source>
<year>2020</year>
<page-range>5</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[Jin]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Cai]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Zhongnan Hospital of Wuhan University Novel Coronavirus Management and Research Team, Evidence-Based Medicine Chapter of China International Exchange and Promotive Association for Medical and Health Care (CPAM). A rapid advice guideline for the diagnosis and treatment of 2019 novel coronavirus (2019-nCoV) infected pneumonia (standard versión)]]></article-title>
<source><![CDATA[Military Medical Research]]></source>
<year>2020</year>
<volume>7</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>6</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[Ye]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Song]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chest CT manifestations of new coronavirus disease 2019 (COVID-19) a pictorial review]]></article-title>
<source><![CDATA[Eur Radiol]]></source>
<year>2020</year>
<volume>2019</volume>
<numero>37</numero>
<issue>37</issue>
<page-range>1-9</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[Simpson]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Kay]]></surname>
<given-names><![CDATA[FU]]></given-names>
</name>
<name>
<surname><![CDATA[Abbara]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Radiological Society of North America Expert Consensus Statement on Reporting Chest CT Findings Related to COVID-19 Endorsed by the Society of Thoracic Radiology, the American College of Radiology, and RSNA]]></article-title>
<source><![CDATA[Radiol Cardiothorac Imaging]]></source>
<year>2020</year>
<volume>2</volume>
<numero>2</numero>
<issue>2</issue>
</nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shi]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Han]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Jiang]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Cao]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Alwalid]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Gu]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Radiological ndings from 81 patients with COVID-19 pneumonia in Wuhan, China: a descriptive study]]></article-title>
<source><![CDATA[Lancet Infect Dis]]></source>
<year>2020</year>
<volume>3099</volume>
<numero>20</numero>
<issue>20</issue>
<page-range>1-10</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[Bai]]></surname>
<given-names><![CDATA[HX]]></given-names>
</name>
<name>
<surname><![CDATA[Hsieh]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Xiong]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Performance of radiologists in differentiating COVID-19 from viral pneumonia on chest CT]]></article-title>
<source><![CDATA[Radiology]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ai]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Hou]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Ch]]></surname>
<given-names><![CDATA[Chan]]></given-names>
</name>
<name>
<surname><![CDATA[Ch]]></surname>
<given-names><![CDATA[Chen]]></given-names>
</name>
<name>
<surname><![CDATA[Lv]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Correlation of Chest CT and RT-PCR Testing in Coronavirus Disease 2019 (COVID-19) in China: A Report of 1014 Cases]]></article-title>
<source><![CDATA[Radiology]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Xie]]></surname>
<given-names><![CDATA[X]]></given-names>
</name>
<name>
<surname><![CDATA[Zhong]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Zhao]]></surname>
<given-names><![CDATA[W]]></given-names>
</name>
<name>
<surname><![CDATA[Zheng]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chest CT for Typical 2019-nCoV Pneumonia: Relationship to Negative RT-PCR Testing]]></article-title>
<source><![CDATA[Radiology]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hansell]]></surname>
<given-names><![CDATA[DM]]></given-names>
</name>
<name>
<surname><![CDATA[Bankier]]></surname>
<given-names><![CDATA[AA]]></given-names>
</name>
<name>
<surname><![CDATA[MacMahon]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[McLoud]]></surname>
<given-names><![CDATA[TC]]></given-names>
</name>
<name>
<surname><![CDATA[Müller]]></surname>
<given-names><![CDATA[NL]]></given-names>
</name>
<name>
<surname><![CDATA[Remy]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fleischne Society glossary of terms for thoracic imaging]]></article-title>
<source><![CDATA[Radiology]]></source>
<year>2008</year>
<volume>246</volume>
<page-range>697-722</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<collab>Colegio de Médicos de Cantabria</collab>
<article-title xml:lang=""><![CDATA[Guía básica de indicaciones de prueba de imagen en la infección COVID-19]]></article-title>
<source><![CDATA[Espacio Seram]]></source>
<year>2020</year>
<volume>3</volume>
<page-range>1-5</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="book">
<collab>Pontificia Universidad Católica de Chile</collab>
<source><![CDATA[Segunda jornada de capacitación COVID-19. Manejo de pacientes con COVID-19 en el ámbito hospitalario e intensivo]]></source>
<year>2020</year>
<publisher-loc><![CDATA[Santiago de Chile ]]></publisher-loc>
<publisher-name><![CDATA[PUC]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
