The future of hormonal contraception.
Potts
D M
DM
Family Health International, Research Triangle Park, North Carolina.
Smith
J B
JB
D000279:Administration, Cutaneous; D003267:Contraception / Q000379:methods / Q000639:trends*; D003273:Contraceptive Devices; D003276:Contraceptives, Oral; D003281:Contraceptives, Postcoital; D005260:Female; D006801:Humans; D007436:Intrauterine Devices, Medicated
D003276:Contraceptives, Oral; D003281:Contraceptives, Postcoital