Contraceptive choice.
Smith
G W
GW
Hoogland
G A
GA
D003278:Contraceptives, Oral, Hormonal / Q000008:administration & dosage* / Q000009:adverse effects; D004345:Drug Industry; D005260:Female; D006801:Humans; D009520:New Zealand
D003278:Contraceptives, Oral, Hormonal