[Studies on local contraception].
D003270:Contraceptive Agents; D003281:Contraceptives, Postcoital; D005260:Female; D006801:Humans; D008297:Male; D013094:Spermatozoa / Q000187:drug effects
D003270:Contraceptive Agents; D003281:Contraceptives, Postcoital
Untersuchungen zur lokalen Kontrazeption.