title: [The postcoital pill--time to switch to gestagen only?].
authors.affiliation: Riverside Community Health Care, London, England.
authors.forename: M B
authors.initials: MB
authors.lastname: Sørensen
authors.forename: B L
authors.initials: BL
authors.lastname: Pedersen
mesh_terms: D003282:Contraceptives, Postcoital, Hormonal / Q000008:administration & dosage / Q000009:adverse effects; D005260:Female; D006801:Humans; D016912:Levonorgestrel / Q000008:administration & dosage / Q000009:adverse effects; D011372:Progestins / Q000008:administration & dosage / Q000009:adverse effects
chemical_list: D003282:Contraceptives, Postcoital, Hormonal; D011372:Progestins; D016912:Levonorgestrel