title: Near-fatal bleeding, senna, and the opposite of lettuce.
authors.affiliation: Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
authors.forename: Weekitt
authors.initials: W
authors.lastname: Kittisupamongkol
authors.forename: Voraphoj
authors.initials: V
authors.lastname: Nilaratanakul
authors.forename: Wanla
authors.initials: W
authors.lastname: Kulwichit
mesh_terms: D000925:Anticoagulants / Q000009:adverse effects*; D000933:Antifibrinolytic Agents / Q000627:therapeutic use; D004347:Drug Interactions; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000188:drug therapy / Q000209:etiology* / Q000503:physiopathology; D006801:Humans; D008875:Middle Aged; D012676:Senna Extract / Q000009:adverse effects*; D014812:Vitamin K / Q000378:metabolism* / Q000627:therapeutic use; D014859:Warfarin / Q000009:adverse effects*
chemical_list: D000925:Anticoagulants; D000933:Antifibrinolytic Agents; D014812:Vitamin K; D014859:Warfarin; D012676:Senna Extract