title: NIH starts STI study.
mesh_terms: D019380:Anti-HIV Agents / Q000008:administration & dosage*; D002986:Clinical Trials as Topic; D004334:Drug Administration Schedule; D004359:Drug Therapy, Combination; D005260:Female; D015658:HIV Infections / Q000188:drug therapy*; D006801:Humans; D008297:Male; D009316:National Institutes of Health (U.S.); D018579:Patient Selection; D014481:United States
chemical_list: D019380:Anti-HIV Agents