title: Drug research shows easier dosing, new combinations are making gains.
mesh_terms: D019380:Anti-HIV Agents / Q000008:administration & dosage* / Q000009:adverse effects; D002986:Clinical Trials as Topic; D004338:Drug Combinations; D004358:Drug Therapy / Q000592:standards; D004359:Drug Therapy, Combination; D004791:Enzyme Inhibitors / Q000008:administration & dosage*; D015658:HIV Infections / Q000188:drug therapy*; D017320:HIV Protease Inhibitors / Q000008:administration & dosage; D006801:Humans; D006918:Hydroxyurea / Q000008:administration & dosage*; D016879:Salvage Therapy; D018119:Stavudine / Q000008:administration & dosage* / Q000009:adverse effects; D014481:United States; D015215:Zidovudine / Q000008:administration & dosage* / Q000009:adverse effects
chemical_list: D019380:Anti-HIV Agents; D004338:Drug Combinations; D004791:Enzyme Inhibitors; D017320:HIV Protease Inhibitors; D015215:Zidovudine; D018119:Stavudine; D006918:Hydroxyurea