title: Revision of the 'missed pill' rules.
authors.forename: Isabel B
authors.initials: IB
authors.lastname: Draper
mesh_terms: D003276:Contraceptives, Oral / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D013222:State Medicine; D006113:United Kingdom
chemical_list: D003276:Contraceptives, Oral