Commentary on repeat emergency contraception.
Rowlands
Sam
S
D003277:Contraceptives, Oral, Combined / Q000008:administration & dosage*; D003281:Contraceptives, Postcoital / Q000008:administration & dosage*; D004334:Drug Administration Schedule; D006801:Humans
D003277:Contraceptives, Oral, Combined; D003281:Contraceptives, Postcoital