Surreptitious ingestion of warfarin.
D000328:Adult; D001778:Blood Coagulation Disorders / Q000188:drug therapy; D001780:Blood Coagulation Tests; D006470:Hemorrhage / Q000139:chemically induced*; D006801:Humans; D008297:Male; D008306:Malingering; D009497:Neurotic Disorders; D011517:Prothrombin Time; D012651:Self Medication; D014812:Vitamin K / Q000627:therapeutic use; D014859:Warfarin / Q000097:blood / Q000506:poisoning*
D014812:Vitamin K; D014859:Warfarin