title: Estimating contraceptive efficacy: the case of spermicides.
authors: Gynuity Health Projects, New York, NY 10010, USA. eraymond@gynuity.org
authors: Elizabeth G
authors: EG
authors: Raymond
authors: James
authors: J
authors: Trussell
authors: Mark A
authors: MA
authors: Weaver
authors: Matthew F
authors: MF
authors: Reeves
mesh_terms: D003267:Contraception / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D016032:Randomized Controlled Trials as Topic / Q000941:ethics; D013089:Spermatocidal Agents; D016896:Treatment Outcome
chemical_list: D013089:Spermatocidal Agents