Study shows three drugs better than two.
D019380:Anti-HIV Agents / Q000627:therapeutic use*; D018791:CD4 Lymphocyte Count; D002986:Clinical Trials as Topic; D018450:Disease Progression; 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*; D018119:Stavudine / Q000627:therapeutic use*; D014481:United States; D015215:Zidovudine / Q000627:therapeutic use*
D019380:Anti-HIV Agents; D017320:HIV Protease Inhibitors; D019259:Lamivudine; D015215:Zidovudine; D019469:Indinavir; D018119:Stavudine