title: What's next? Treatment options when the first antiretroviral regimen fails virologically or is not tolerated, Part 2.
authors.forename: Peter J
authors.initials: PJ
authors.lastname: Ruane
authors.forename: Eric S
authors.initials: ES
authors.lastname: Daar
mesh_terms: D000465:Algorithms; D044966:Anti-Retroviral Agents / Q000009:adverse effects / Q000494:pharmacology* / Q000627:therapeutic use*; D024882:Drug Resistance, Viral; D006678:HIV / Q000187:drug effects* / Q000235:genetics; D015658:HIV Infections / Q000188:drug therapy* / Q000821:virology; D006801:Humans
chemical_list: D044966:Anti-Retroviral Agents