In vitro studies on cervical contraception: use of urea as a spermicidal agent.
D002470:Cell Survival / Q000187:drug effects; D002582:Cervix Mucus / Q000187:drug effects*; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D008297:Male; D013081:Sperm Motility / Q000187:drug effects; D013089:Spermatocidal Agents; D013094:Spermatozoa / Q000187:drug effects*; D014508:Urea / Q000494:pharmacology*
D013089:Spermatocidal Agents; D014508:Urea