title: Data in from first head-to-head protease inhibitor.
mesh_terms: D019380:Anti-HIV Agents / Q000627:therapeutic use*; D018791:CD4 Lymphocyte Count / Q000187:drug effects; D004359:Drug Therapy, Combination; D015658:HIV Infections / Q000188:drug therapy*; D017320:HIV Protease Inhibitors / Q000627:therapeutic use*; D006801:Humans; D019469:Indinavir / Q000627:therapeutic use*; D019259:Lamivudine / Q000627:therapeutic use; D019258:Saquinavir / Q000627:therapeutic use*; D019562:Viral Load; D015215:Zidovudine / Q000627:therapeutic use
chemical_list: D019380:Anti-HIV Agents; D017320:HIV Protease Inhibitors; D019259:Lamivudine; D015215:Zidovudine; D019469:Indinavir; D019258:Saquinavir