Condoms as primary method of contraception.
Bromham
D R
DR
Cartmill
R S
RS
D003267:Contraception / Q000379:methods*; D003275:Contraceptive Devices, Male; D003281:Contraceptives, Postcoital; D005260:Female; D015658:HIV Infections / Q000517:prevention & control; D006801:Humans; D008297:Male; D011247:Pregnancy
D003281:Contraceptives, Postcoital