title: Emergency contraception: why the absent effect on abortion rates?
authors.forename: Willy
authors.initials: W
authors.lastname: Pedersen
mesh_terms: D000028:Abortion, Induced / Q000639:trends*; D044363:Contraception, Postcoital / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D011247:Pregnancy; D012307:Risk Factors; D012959:Socioeconomic Factors