Advances in research: second and third line therapy.
D019380:Anti-HIV Agents / Q000008:administration & dosage*; D002986:Clinical Trials as Topic; D004334:Drug Administration Schedule; D004359:Drug Therapy, Combination; D015658:HIV Infections / Q000517:prevention & control*; D006801:Humans; D012008:Recurrence; D016879:Salvage Therapy
D019380:Anti-HIV Agents