title: Combination shows reduction in viral levels.
mesh_terms: D019380:Anti-HIV Agents / Q000008:administration & dosage* / Q000494:pharmacology; D018791:CD4 Lymphocyte Count; D004359:Drug Therapy, Combination; D006678:HIV / Q000187:drug effects*; D017320:HIV Protease Inhibitors / Q000008:administration & dosage* / Q000494:pharmacology; D006679:HIV Seropositivity / Q000188:drug therapy / Q000276:immunology; D006801:Humans; D019469:Indinavir / Q000008:administration & dosage* / Q000494:pharmacology; D019259:Lamivudine / Q000008:administration & dosage* / Q000494:pharmacology; D013997:Time Factors; D015215:Zidovudine / Q000008:administration & dosage* / Q000494:pharmacology
chemical_list: D019380:Anti-HIV Agents; D017320:HIV Protease Inhibitors; D019259:Lamivudine; D015215:Zidovudine; D019469:Indinavir