<?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>1870-3453</journal-id>
<journal-title><![CDATA[Revista mexicana de biodiversidad]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Biodiv.]]></abbrev-journal-title>
<issn>1870-3453</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Biología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-34532015000300605</article-id>
<article-id pub-id-type="doi">10.1016/j.rmb.2015.05.009</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Mites of the families Pygmephoridae and Neopygmephoridae (Acari: Pygmephoroidea) from soils in Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Ácaros de las familias Pygmephoridae y Neopygmephoridae (Acari: Pygmephoroidea) de suelos en México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-Rojas]]></surname>
<given-names><![CDATA[Ignacio M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estrada-Venegas]]></surname>
<given-names><![CDATA[Edith G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Campos]]></surname>
<given-names><![CDATA[Mercedes G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Ciencias Departamento de Biología Comparada]]></institution>
<addr-line><![CDATA[México D.F.]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Colegio de Postgraduados Entomología y Acarología ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<volume>86</volume>
<numero>3</numero>
<fpage>605</fpage>
<lpage>612</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532015000300605&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532015000300605&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532015000300605&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Mites of the families Pygmephoridae and Neopygmephoridae have been poorly studied in Mexico. Previous records from this group are: Acinogaster (A. ) kansensis from Chiapas, A . (A .) marianae from Veracruz, Pygmephorus americanus from Mexico, some species of Siteroptes from Puebla and Pediculaster thailandensis from Quintana Roo. In this study we provide additional data, including specimens of Neopygmephoridae such as Kerdabania inconspicua , Bakerdania exigua , Pseudopygmephorus agarici , and P. shangaiensis ; and of Pygmephoridae: Mahunkania secunda , Pediculaster ignotus and P. gracilis . Abundant specimens of Pediculaster ignotus were present in garlic crop soil.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Los ácaros de las familias Pygmephoridae y Neopygmephoridae de México han sido poco estudiados. Registros previos de este grupo son: Acinogaster (A. ) kansensis de Chiapas, A . (A .) marianae de Veracruz, Pygmephorus americanus de México y especies de Siteroptes en muestras de Puebla, así como Pediculaster thailandensis del estado de Quintana Roo. En este estudio damos a conocer nuevos datos que incluyen a ejemplares de Neopygmephoridae como Kerdabania inconspicua , Bakerdania exigua , Pseudopygmephorus agarici and P. shangaiensis ; también de la familia Pygmephoridae a Mahunkania secunda, Pediculaster ignotus y P. gracilis . La mayor abundancia de Pediculaster ignotus estuvo presente en suelos cultivados con ajo.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Prostigmata]]></kwd>
<kwd lng="es"><![CDATA[Cultivo de ajo]]></kwd>
<kwd lng="es"><![CDATA[Suelo orgánico]]></kwd>
<kwd lng="es"><![CDATA[Ácaros foréticos]]></kwd>
<kwd lng="en"><![CDATA[Prostigmata]]></kwd>
<kwd lng="en"><![CDATA[Garlic crop]]></kwd>
<kwd lng="en"><![CDATA[Organic soil]]></kwd>
<kwd lng="en"><![CDATA[Phoretic mites]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Phoretic females of Pediculaster gautengensis sp. n (Acari: Pygmephoridae) associated with insects collected from dung in South Africa]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camerick]]></surname>
<given-names><![CDATA[A.M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Mittelungen Hamburg Zoologischen Museum Institut]]></source>
<year>1996</year>
<volume>93</volume>
<page-range>161-70</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Two new Pediculaster (Acari: Siteroptidae) species from Thailand and Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camerick]]></surname>
<given-names><![CDATA[A.M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Bulletin de la Societé Royale Belge d&#8217;Entomologie]]></source>
<year>2005</year>
<volume>141</volume>
<page-range>63-71</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="">
<article-title xml:lang=""><![CDATA[Pediculaster-host relationships (Acari: Siteroptidae). Trends in Acarology]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camerick]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Proceedings of the 12 international congress]]></source>
<year>2010</year>
<page-range>337-42</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The phoretic female of Pediculaster australis spec. nov (Acari: Pygmephroridae) from South Africa and new synonyms for P. morelliae]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camerick]]></surname>
<given-names><![CDATA[A.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Coetzee]]></surname>
<given-names><![CDATA[S.H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Bulletin de I&#8217;nstitut Royal des Sciences Naturelles de Belgique. Entomologie]]></source>
<year>1997</year>
<volume>67</volume>
<page-range>33-43</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Pediculaster norrbomialis sp. n. and P. gracilis sp. n. (Acari Heterostigmata: Pygmephoridae) from South Africa, with notes on host and dung preference on their phoretic females]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camerick]]></surname>
<given-names><![CDATA[A.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ueckermann]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Mitteilungen aus dem Hamburgischen Zoologisschen Museum und Institut]]></source>
<year>1995</year>
<volume>92</volume>
<page-range>73-86</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The generic relationships of the family Pyemotidae (Acarina: Trombidiformes)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cross]]></surname>
<given-names><![CDATA[E.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[The University of Kansas Science Bulletin]]></source>
<year>1965</year>
<volume>45</volume>
<page-range>29-275</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="">
<article-title xml:lang=""><![CDATA[A new species of Pseudopygmephorus (Acari: Pygmephoridae) associated with commercial mushroom production]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hill]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Deahl]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Proceedings of the Entomological Society of Washington]]></source>
<year>1978</year>
<volume>80</volume>
<page-range>335-42</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hoffmann]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[López-Campos]]></surname>
<given-names><![CDATA[M. G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Biodiversidad de los ácaros de México]]></source>
<year>2000</year>
<publisher-loc><![CDATA[Mexico City ]]></publisher-loc>
<publisher-name><![CDATA[Conabio, UNAM]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kethley]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Acariformes]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Parker]]></surname>
<given-names><![CDATA[S. P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Synopsis and classification of living organisms 2]]></source>
<year>1982</year>
<page-range>117-45</page-range><publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[McGraw Hill]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khaustov]]></surname>
<given-names><![CDATA[A. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mites of the family Neopygmephoridae Cross, 1965 stat. n. and their position in Heterostigmata]]></article-title>
<collab>Rossiyskaya</collab>
<source><![CDATA[VIII Rossiyskoe Acarologicheskoe Soveshchanie]]></source>
<year>2004</year>
<page-range>137</page-range><publisher-loc><![CDATA[Saint-Petersburg ]]></publisher-loc>
<publisher-name><![CDATA[St. Petersburg Zoological Institute of RAS (in Russian)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Four new species of mites of the genus Bakerdania (Acari, Heterostigmata Kerdabania) gen. n., with four new species (Acari: Heterostigmata: Neopygmephoridae)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khaustov]]></surname>
<given-names><![CDATA[A.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Vestnick Zoologii]]></source>
<year>2008</year>
<volume>42</volume>
<page-range>3-10</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A description of new genus Kerdabania gen. n., with four new species (Acari: Heterostigmata: Neopygmephoridae)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khaustov]]></surname>
<given-names><![CDATA[A.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Acarina]]></source>
<year>2009</year>
<volume>17</volume>
<page-range>171-88</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A new species of mite genus Pseudopygmephorus (Acari: Heterostigmata: Neopygmephoridae) associated with Aphodius fimetarius (Coleoptera: Scarabaeidae) from Crimea]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khaustov]]></surname>
<given-names><![CDATA[A.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Acarina]]></source>
<year>2010</year>
<volume>18</volume>
<page-range>261-4</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Two new mite species of the genus Bakerdania (Acari, Heterostigmata, Pygmephoridae) from polar deserts of the Severnaya Zemlya archipelago]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khaustov]]></surname>
<given-names><![CDATA[A.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Makarova]]></surname>
<given-names><![CDATA[O.L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Entomological Review]]></source>
<year>2005</year>
<volume>85</volume>
<page-range>141-6</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Evolution of phytophagous mites (Acari)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Krantz]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Lindquist]]></surname>
<given-names><![CDATA[E.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Annual Review of Entomology]]></source>
<year>1979</year>
<volume>24</volume>
<page-range>121-58</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Krantz]]></surname>
<given-names><![CDATA[G. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Walter]]></surname>
<given-names><![CDATA[D. E.]]></given-names>
</name>
</person-group>
<source><![CDATA[A manual of acarology]]></source>
<year>2009</year>
<publisher-loc><![CDATA[Texas ]]></publisher-loc>
<publisher-name><![CDATA[Texas Tech University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A new species of Bakerdania (Acari: Pygmephoridae) from the burying beetle Nicrophorus concolor (Coleoptera: Silphidae) in Japan]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kurosa]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of the Acarological Society of Japan]]></source>
<year>1999</year>
<volume>8</volume>
<page-range>41-6</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A new species of the genus Mahunkania (Acari: Heterostigmata: Pygmephoridae) from Japan]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kurosa]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of the Acarological Society of Japan]]></source>
<year>2002</year>
<volume>11</volume>
<page-range>91-9</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Sechs neue Milben-Arten aus der Familie Pyemotidae (Acari Trombidiformes)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mahunka]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Acarologia]]></source>
<year>1969</year>
<volume>11</volume>
<page-range>527-36</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Ergebnisse der zoologischen Forschungen von Dr Z. Kaszab in der Mongolei. 227. Acari: Pygmephoroidea]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mahunka]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Annales Historico-Naturales Musei Nationalis Hungarici. Pars Zoologica]]></source>
<year>1970</year>
<volume>62</volume>
<page-range>343-62</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Beschreibung von Pygmephorus ignotus Krczal 1959 und vier neuen Pyemotidae aus Hamburg (Acarina, Trombidiformes)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rack]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[A. Abhandl und Verhandl der Naturwiss Vereins Hamburg]]></source>
<year>1965</year>
<volume>9</volume>
<page-range>17-30</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Tarsonemina aus dem Saalkreis bei Halle (Acarina Trombidiformes)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rack]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Entomologisches Mittelungen aus dem Zoologischen Museum Hamburg]]></source>
<year>1972</year>
<volume>4</volume>
<page-range>277-86</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Three new species of Pygmephoroidea (Acarina: Tarsonemida) from Fragaria in Florida]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rack]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Florida Entomologist]]></source>
<year>1975</year>
<volume>58</volume>
<page-range>231-8</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vázquez-Rojas]]></surname>
<given-names><![CDATA[I. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Estrada-Venegas]]></surname>
<given-names><![CDATA[E. G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ereynetid mites (Tydeoidea: Ereynetidae) associated with garlic crops in Guanajuato, Mexico]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Sabelis]]></surname>
<given-names><![CDATA[M. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Bruin]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Trends in Acarology]]></source>
<year>2010</year>
<conf-name><![CDATA[ Proceedings of the 12 International Congress]]></conf-name>
<conf-date>2006</conf-date>
<conf-loc>Amsterdam </conf-loc>
<page-range>207-10</page-range><publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Microarthropod communities related with biological soil crusts in a desert scrub in northwestern Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villarreal-Rosas]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Palacios-Vargas]]></surname>
<given-names><![CDATA[J.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Maya]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista Mexicana de Biodiversidad]]></source>
<year>2014</year>
<volume>85</volume>
<page-range>513-22</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Mites and nematodes associated with three subterranean termite species (Isoptera: Rhinotermitidae)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Powell]]></surname>
<given-names><![CDATA[J.L.]]></given-names>
</name>
<name>
<surname><![CDATA[O&#8217;Connor]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Florida Entomologist]]></source>
<year>2002</year>
<volume>85</volume>
<page-range>499-506</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="book">
<article-title xml:lang=""><![CDATA[Mites: ecology, evolution and behavior]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Walter]]></surname>
<given-names><![CDATA[D. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Proctor]]></surname>
<given-names><![CDATA[H. C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Life at a microscale]]></source>
<year>2013</year>
<edition>2</edition>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Two new species of Pseudopygmephorus associated with edible fungi from China (Acarina: Pygmephoridae)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zou]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Jian-Rong]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[En-Pei]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Acta Entomologica Sinica]]></source>
<year>1990</year>
<volume>33</volume>
<page-range>373-9</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
