title: Showdown at the X4 corral.
authors.forename: Bob
authors.initials: B
authors.lastname: Huff
mesh_terms: D015496:CD4-Positive T-Lymphocytes / Q000821:virology*; D018414:CD8-Positive T-Lymphocytes / Q000821:virology*; D016923:Cell Death; D024882:Drug Resistance, Viral; D015658:HIV Infections / Q000276:immunology* / Q000821:virology; D015497:HIV-1 / Q000187:drug effects / Q000472:pathogenicity*; D006801:Humans