title: Pre-exposure prophylaxis effective.
mesh_terms: D000225:Adenine / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000494:pharmacology; D019380:Anti-HIV Agents / Q000008:administration & dosage* / Q000494:pharmacology*; D002986:Clinical Trials as Topic; D004334:Drug Administration Schedule; D005260:Female; D005869:Ghana; D015658:HIV Infections / Q000517:prevention & control* / Q000635:transmission; D006801:Humans; D063065:Organophosphonates / Q000008:administration & dosage* / Q000494:pharmacology*; D000068698:Tenofovir
chemical_list: D019380:Anti-HIV Agents; D063065:Organophosphonates; D000068698:Tenofovir; D000225:Adenine