Letter: C-Film as contraceptive.
D000293:Adolescent; D000328:Adult; D003273:Contraceptive Devices / Q000009:adverse effects; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D013089:Spermatocidal Agents / Q000009:adverse effects; D014627:Vaginitis / Q000139:chemically induced
D013089:Spermatocidal Agents