3ROCKALL TA,LOGAN RF,DEVLIN HB,et al.Incidence of and mortality from acute upper gastrointestinal haemorrhage in the united kingdom.steering committee and members of the national audit of acute upper gastrointestinal haemorrhage[see comments] [J].Br Med J 1995:311:222.
4FORREST JAH,FINLAYSON NDC,SHEARMAN DJV.Endoscopy in gastrointestinal bleeding[J].Cancer,1974,2:394.
5FRANK J.Branicki,bleeding peptic ulcer:A prospective evaluation of risk factors for rebleeding and mortality[J].World J Surg,1990,14:262.
7ROBINS GG,SARWAR MS,Evaluation of the need for endoscopy to identify low-risk patients presenting with an acute upper gastrointestinal bleed suitable for early discharge[J].Med J,2007,83:768.
8ABDULRAHMAN M.ALJEBREEN,MD,Nasogastric aspirate predicts high-risk endoscopic lesions in patients with acute upper-GI bleeding[J].Gastrointestinal Endoscopy,2004,65 9:172.
