<?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%">Åsa Björndal</style></author><author><style face="normal" font="default" size="100%">Hongkui Deng</style></author><author><style face="normal" font="default" size="100%">Marianne Jansson</style></author><author><style face="normal" font="default" size="100%">José R. Fiore</style></author><author><style face="normal" font="default" size="100%">Claudia Colognesi</style></author><author><style face="normal" font="default" size="100%">Anders Karlsson</style></author><author><style face="normal" font="default" size="100%">Jan Albert</style></author><author><style face="normal" font="default" size="100%">Gabriella Scarlatti</style></author><author><style face="normal" font="default" size="100%">Dan R. Littman</style></author><author><style face="normal" font="default" size="100%">Eva Maria Fenyö</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Coreceptor usage of primary human immunodeficiency virus type 1 isolates varies according to biological phenotype</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/9311827</style></url></web-urls></urls><pages><style face="normal" font="default" size="100%">7478-7487</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">10</style></issue></record></records></xml>