Future contraceptives.
Alexander
N J
NJ
Contraceptive Development Branch, National Institute of Child Health and Human Development, Bethesda, Md, USA.
D017280:Condoms; D003267:Contraception / Q000639:trends*; D003271:Contraceptive Agents, Female; D005260:Female; D006801:Humans; D008297:Male; D012749:Sexually Transmitted Diseases / Q000517:prevention & control; D013089:Spermatocidal Agents; D014612:Vaccines
D003271:Contraceptive Agents, Female; D013089:Spermatocidal Agents; D014612:Vaccines