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5El SH, Christou N, Backman SB, et al. Effect of laparoscopic versus open gastric bypass surgery on postoperative pain and bowel function[J]. Obes Surg,2006,16(4) :437- 442.
6De Corte W, Delrue H, Vanfleteren LJ, et al. Randomized clini cal trial on the influence of anaesthesia protocol on intestinal motility during laparoscopic surgery requiring small bowel an- astomosis[J]. Br J Surg,2012,99(11) :1524-1529.
