title: Drug Points: Apparent interaction between warfarin and levonorgestrel used for emergency contraception.
authors: Department of Obstetrics and Gynaecology, Glasgow Royal Infirmary, Glasgow G31 2ER, UK.
authors: J
authors: J
authors: Ellison
authors: A J
authors: AJ
authors: Thomson
authors: I A
authors: IA
authors: Greer
authors: I D
authors: ID
authors: Walker
mesh_terms: D000328:Adult; D000925:Anticoagulants / Q000009:adverse effects*; D004347:Drug Interactions; D004630:Emergencies; D005260:Female; D005337:Fibrin / Q000172:deficiency; D006801:Humans; D016912:Levonorgestrel / Q000009:adverse effects*; D011655:Pulmonary Embolism / Q000188:drug therapy; D020246:Venous Thrombosis / Q000188:drug therapy; D014859:Warfarin / Q000009:adverse effects*
chemical_list: D000925:Anticoagulants; D014859:Warfarin; D016912:Levonorgestrel; D005337:Fibrin