<?xml version="1.0" encoding="UTF-8"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2013-05-25T17:59:55Z</responseDate><request verb="ListMetadataFormats">http://www.ncbi.nlm.nih.gov/oai/oai.cgi</request><ListMetadataFormats><metadataFormat><metadataPrefix>oai_dc</metadataPrefix><schema>http://www.openarchives.org/OAI/2.0/oai_dc.xsd</schema><metadataNamespace>http://www.openarchives.org/OAI/2.0/oai_dc/</metadataNamespace></metadataFormat><metadataFormat><metadataPrefix>pmc</metadataPrefix><schema>http://dtd.nlm.nih.gov/2.0/xsd/archivearticle.xsd</schema><metadataNamespace>http://dtd.nlm.nih.gov/2.0/xsd/archivearticle</metadataNamespace></metadataFormat><metadataFormat><metadataPrefix>pmc_fm</metadataPrefix><schema>http://dtd.nlm.nih.gov/2.0/xsd/archivearticle.xsd</schema><metadataNamespace>http://dtd.nlm.nih.gov/2.0/xsd/archivearticle</metadataNamespace></metadataFormat></ListMetadataFormats></OAI-PMH>