<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Ajit Varki</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Why are there no persisting hybrids of humans with Denisovans, Neanderthals, or anyone else?</style></title><secondary-title><style face="normal" font="default" size="100%">Proceedings of the National Academy of Sciences</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2016</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.pnas.org/content/113/17/E2354</style></url></web-urls></urls><number><style face="normal" font="default" size="100%">17</style></number><publisher><style face="normal" font="default" size="100%">National Acad Sciences</style></publisher><volume><style face="normal" font="default" size="100%">113</style></volume><pages><style face="normal" font="default" size="100%">E2354-E2354</style></pages><isbn><style face="normal" font="default" size="100%">0027-8424</style></isbn><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>