New thinking in contraception.
Kubba
A
A
St Thomas' Hospital, London.
D003267:Contraception / Q000379:methods* / Q000639:trends; D003274:Contraceptive Devices, Female; D003275:Contraceptive Devices, Male; D003276:Contraceptives, Oral; D005260:Female; D006801:Humans; D008297:Male; D012307:Risk Factors
D003276:Contraceptives, Oral