title: Topical gel offers dual protection.
mesh_terms: D000282:Administration, Intravaginal; D004311:Double-Blind Method; D005260:Female; D005782:Gels / Q000008:administration & dosage*; D015658:HIV Infections / Q000517:prevention & control; D006561:Herpes Simplex / Q000517:prevention & control*; D006801:Humans; D011446:Prospective Studies; D016032:Randomized Controlled Trials as Topic; D012680:Sensitivity and Specificity; D012749:Sexually Transmitted Diseases / Q000517:prevention & control*
chemical_list: D005782:Gels