title: Resistance slow to emerge in combination therapy.
mesh_terms: D002986:Clinical Trials as Topic; D004351:Drug Resistance; D004359:Drug Therapy, Combination; D015658:HIV Infections / Q000188:drug therapy*; D017320:HIV Protease Inhibitors / Q000627:therapeutic use*; D006801:Humans; D007546:Isoquinolines / Q000627:therapeutic use*; D011804:Quinolines / Q000627:therapeutic use*; D019258:Saquinavir
chemical_list: D017320:HIV Protease Inhibitors; D007546:Isoquinolines; D011804:Quinolines; D019258:Saquinavir