The spermicidal times of contraceptive jellies and creams.
B
B
BECKER
C J
CJ
GAMBLE
D003267:Contraception; D003270:Contraceptive Agents; D003273:Contraceptive Devices; D005260:Female; D006801:Humans; D013089:Spermatocidal Agents
D003270:Contraceptive Agents; D013089:Spermatocidal Agents
BIRTH CONTROL