title: Need for a true placebo for vaginal microbicide efficacy trials.
authors.forename: Peter H
authors.initials: PH
authors.lastname: Kilmarx
authors.forename: Lynn
authors.initials: L
authors.lastname: Paxton
mesh_terms: D000180:Acrylic Resins / Q000009:adverse effects* / Q000627:therapeutic use; D000891:Anti-Infective Agents, Local / Q000009:adverse effects* / Q000627:therapeutic use; D002986:Clinical Trials as Topic; D004338:Drug Combinations; D005260:Female; D015658:HIV Infections / Q000635:transmission*; D015497:HIV-1; D006801:Humans; D017137:Nonoxynol / Q000009:adverse effects* / Q000627:therapeutic use; D010919:Placebos / Q000627:therapeutic use; D011145:Polyvinyls / Q000009:adverse effects* / Q000627:therapeutic use; D012307:Risk Factors; D011477:Sex Work; D016585:Vaginosis, Bacterial / Q000188:drug therapy*
chemical_list: D000180:Acrylic Resins; D000891:Anti-Infective Agents, Local; D004338:Drug Combinations; D010919:Placebos; D011145:Polyvinyls; C006912:carboxypolymethylene; D017137:Nonoxynol; C030312:calcium polycarbophil