5Frattaroli FM, Casciani E, Spoletinl D, et al. Prospective study comparing muhi-detector row CT and endoscopy in acute gastrointestinal bleeding [J]. World J Surg, 2009, 33(10): 2209-2217.
6Meaden C, Makin AJ. Diagnosis and treatment of patients with gastro- intestinal bleeding [ J]. Current Anaesthesia & Critical Care, 2004, 15(2) : 123-132.
7Sezgin O, Ahintas E, Tombak A. Effects of seasonal variations on acute upper gastrointestinal bleeding and its etiology [ J ]. Turk J Gastroenterol, 2007, 18(3): 172-176.
8Gralnek IM, Barkun AN, Bardou M. Management of acute bleeding from a peptic ulcer [J]. N Engl J Med, 2008, 359(9): 928-937.
9Weldon DT, Burke SJ, Sun S, et al. lnterventional management of lower gastrointestinal bleeding [ J ]. Eur Radiol, 2008, 18 ( 5 ) : 857 -867.
10Okazaki H, Fujiwara Y, Sugimori S, et al. Prevalence of mid-gastroin- testinal bleeding in patients with acute overt gastrointestinal bleeding: multi-center experience with 1,044 consecutive patients [ J]. J Gastroenterol, 2009, 44 (6) : 550-555.