title: Heparin and coumadin: delayed postpolypectomy bleeding.
authors.forename: D E
authors.initials: DE
authors.lastname: Langdon
mesh_terms: D000925:Anticoagulants / Q000009:adverse effects*; D003111:Colonic Polyps / Q000601:surgery*; D006493:Heparin / Q000009:adverse effects*; D006801:Humans; D019106:Postoperative Hemorrhage / Q000209:etiology*; D013997:Time Factors; D014859:Warfarin / Q000009:adverse effects*
chemical_list: D000925:Anticoagulants; D014859:Warfarin; D006493:Heparin