title: An examination of the spermatocidal effect of some chemical contraceptives.
authors.forename: S
authors.initials: S
authors.lastname: GENELL
mesh_terms: D003267:Contraception; D003270:Contraceptive Agents; D005260:Female; D006801:Humans; D011247:Pregnancy / Q000175:diagnosis; D011276:Pregnanediol; D011372:Progestins; D013089:Spermatocidal Agents; D014556:Urine
chemical_list: D003270:Contraceptive Agents; D011372:Progestins; D013089:Spermatocidal Agents; D011276:Pregnanediol
keywords: BIRTH CONTROL; PREGNANCY/diagnosis, diagnostic; URINE/pregnandiol