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1 A simple intra-operative maneuver to decrease a duodenal ulcer hemorrhage temporarily: description and anatomical bases A.Bemardes, J. Dioni sio, D.Diogo, et al.rn一种简单的减少十二指肠溃疡术中临时出血的技巧描述和解剖学基础rn当出血性十二指肠溃疡大量出血时,用手术缝合来止血有时是很困难的.rn