title: Risk factors in patients with gastrointestinal bleeding due to warfarin usage.
authors.forename: Esin
authors.initials: E
authors.lastname: Beyan
authors.forename: Cengiz
authors.initials: C
authors.lastname: Beyan
authors.forename: Songül Acar
authors.initials: SA
authors.lastname: Vaizoğlu
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000925:Anticoagulants / Q000009:adverse effects*; D004347:Drug Interactions; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D014859:Warfarin / Q000009:adverse effects*
chemical_list: D000925:Anticoagulants; D014859:Warfarin