title: Emergency contraception.
authors.forename: Anne M C
authors.initials: AM
authors.lastname: Webb
mesh_terms: D000328:Adult; D002986:Clinical Trials as Topic; D003282:Contraceptives, Postcoital, Hormonal / Q000008:administration & dosage*; D005260:Female; D006297:Health Services Accessibility; D006801:Humans; D016912:Levonorgestrel / Q000008:administration & dosage*; D015735:Mifepristone / Q000008:administration & dosage*; D012307:Risk Factors; D012749:Sexually Transmitted Diseases / Q000175:diagnosis; D013997:Time Factors
chemical_list: D003282:Contraceptives, Postcoital, Hormonal; D015735:Mifepristone; D016912:Levonorgestrel