title: FDA clarifies rules, allows combining antiretrovirals in clinical trials. Food and Drug Administration.
mesh_terms: D019380:Anti-HIV Agents / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D004345:Drug Industry; D004352:Drug Resistance, Microbial; D004359:Drug Therapy, Combination; D017408:Guidelines as Topic; D015658:HIV Infections / Q000188:drug therapy*; D006801:Humans; D014486:United States Food and Drug Administration
chemical_list: D019380:Anti-HIV Agents