Paper pill preferred.
D003267:Contraception; D003276:Contraceptives, Oral; D005193:Family Planning Services; D007390:International Agencies
D003276:Contraceptives, Oral
Contraception; Contraception Research; Contraceptive Methods--administraction and dosage; Family Planning; Female Contraception; Ippf; Oral Contraceptives--administraction and dosage