title: Protease inhibitors--an update.
mesh_terms: D002986:Clinical Trials as Topic; D004345:Drug Industry; D004359:Drug Therapy, Combination; D015658:HIV Infections / Q000201:enzymology / Q000628:therapy*; D017320:HIV Protease Inhibitors / Q000008:administration & dosage / Q000494:pharmacology / Q000627:therapeutic use*; D006801:Humans; D016047:Zalcitabine / Q000008:administration & dosage / Q000627:therapeutic use; D015215:Zidovudine / Q000008:administration & dosage / Q000627:therapeutic use
chemical_list: D017320:HIV Protease Inhibitors; D015215:Zidovudine; D016047:Zalcitabine