title: Editorial comment: treating the experienced patient--when and how to use new agents.
authors.forename: Joel E
authors.initials: JE
authors.lastname: Gallant
mesh_terms: D019380:Anti-HIV Agents / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D024882:Drug Resistance, Viral; D004359:Drug Therapy, Combination; D015658:HIV Infections / Q000188:drug therapy* / Q000503:physiopathology; D006801:Humans; D010346:Patient Care Management; D017211:Treatment Failure
chemical_list: D019380:Anti-HIV Agents