<?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%">C. Mark Hill</style></author><author><style face="normal" font="default" size="100%">Hongkui Deng</style></author><author><style face="normal" font="default" size="100%">Derya Unutmaz</style></author><author><style face="normal" font="default" size="100%">Vineet N. Kewalramani</style></author><author><style face="normal" font="default" size="100%">Lisa Bastiani</style></author><author><style face="normal" font="default" size="100%">Miroslaw K. Gorny</style></author><author><style face="normal" font="default" size="100%">Susan Zolla-Pazner</style></author><author><style face="normal" font="default" size="100%">Dan R. Littman</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Envelope glycoproteins from human immunodeficiency virus types 1 and 2 and simian immunodeficiency virus can use human CCR5 as a coreceptor for viral entry and make direct CD4-dependent interactions with this chemokine receptor</style></title><secondary-title><style face="normal" font="default" size="100%">Journal of Virology</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">1997</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://www.ncbi.nlm.nih.gov/pubmed/9261346</style></url></web-urls></urls><pages><style face="normal" font="default" size="100%">6296-6304</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">9</style></issue></record></records></xml>