title: [Bleeding after endoscopic biopsy and polypectomy--do nonsteroidal anti-rheumatic drugs increase the risk?].
authors.forename: C
authors.initials: C
authors.lastname: von Ritter
authors.forename: F M
authors.initials: FM
authors.lastname: Sackmann
mesh_terms: D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000008:administration & dosage / Q000009:adverse effects*; D001706:Biopsy; D003111:Colonic Polyps / Q000601:surgery*; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology*; D019106:Postoperative Hemorrhage / Q000139:chemically induced*; D012307:Risk Factors
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal