title: HIV coreceptor use in heavily treatment-experienced patients: does it take two to tangle?
authors.forename: Thomas
authors.initials: T
authors.lastname: Melby
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000175:diagnosis / Q000188:drug therapy*; D023241:Antiretroviral Therapy, Highly Active; D065100:CCR5 Receptor Antagonists; D018791:CD4 Lymphocyte Count; D005260:Female; D006679:HIV Seropositivity; D015497:HIV-1 / Q000187:drug effects* / Q000235:genetics; D006801:Humans; D008297:Male; D019713:Receptors, CCR5 / Q000378:metabolism; D019718:Receptors, CXCR4 / Q000037:antagonists & inhibitors / Q000378:metabolism; D015728:Receptors, HIV / Q000037:antagonists & inhibitors / Q000378:metabolism*; D012680:Sensitivity and Specificity; D016896:Treatment Outcome; D019562:Viral Load
chemical_list: D065100:CCR5 Receptor Antagonists; D019713:Receptors, CCR5; D019718:Receptors, CXCR4; D015728:Receptors, HIV