title: Nonvariceal upper gastrointestinal bleeding.
authors.affiliation: Department of Gastroenterology, Rikshospitalet University Hospital, 0027 Oslo, Norway. lars.aabakken@klinmed.uio.no
authors.forename: L
authors.initials: L
authors.lastname: Aabakken
mesh_terms: D003937:Diagnosis, Differential; D004381:Duodenal Ulcer / Q000175:diagnosis / Q000628:therapy; D016099:Endoscopy, Gastrointestinal; D004932:Esophageal and Gastric Varices / Q000175:diagnosis; D016558:Hemostasis, Endoscopic; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000175:diagnosis / Q000628:therapy; D013276:Stomach Ulcer / Q000175:diagnosis / Q000628:therapy