title: Obscure lower gastrointestinal tract bleeding.
authors.affiliation: Academic Department of Surgery, Bristol Royal Infirmary, Bristol BS2 8HW, UK.
authors.forename: M G
authors.initials: MG
authors.lastname: Thomas
mesh_terms: D000792:Angiography / Q000379:methods; D016099:Endoscopy, Gastrointestinal / Q000379:methods; D006471:Gastrointestinal Hemorrhage / Q000601:surgery*; D006801:Humans; D011300:Preoperative Care / Q000379:methods