7Spiegel BM. Endoscopy for acute upper GI tract hemorrhage: sooner is better[J]. Gastrointest Endosc,2009,70(2) : 236-239.
8Enestvedt BK, Gralnek IM, Mattek N, et al. An evaluation of endoscopic indications and findings related to nonvariceal upper-GI hemorrhage in a large muhicenter consortium [ J ]. Gastrointest Endosc, 2008,67 ( 3 ). 422-429.
10Kim Y, Kim SG, Kang HY, Kang HW, Kim JS, JungHC, Song IS. [Effect of after-hours emergencyendoscopy on the outcome of acute upper gastrointestinalbleeding]. Korean J Gastroenterol 2009; 53:228-234 [PMID: 19381055].