title: Contraceptive efficacy of the pill.
authors.forename: S K
authors.initials: SK
authors.lastname: Khoo
mesh_terms: D001315:Australia; D003277:Contraceptives, Oral, Combined / Q000009:adverse effects; D005260:Female; D006801:Humans; D010349:Patient Compliance; D011247:Pregnancy
chemical_list: D003277:Contraceptives, Oral, Combined