5Rego RE,Campos T, Moricz A, et al. Cholecystectomy inthe elderly: early results of open versus Laparoscopic approach. Rev Assoc Med Bras, 2003, 49(3) .. 293- 299.
6National Institutes of Health Consensus Development Conference Statement on Gallstones and Laparoscopic Cholecystectomy[J]. AmJ Surg, 1993, 165(4): 390 398.
7Calland JF, Tanaka K, Foley E, et al. Outpatient laparoscopic cholecystectomy: patient outcomes after implementation of a clinical pathway[J]. Ann Surg, 2001, 233(5) : 704-715.
8Andersen HK, Lewis SJ, Thomas S. Early enteral nutrition within 24h of coloreetal surgery versus later commencement of feeding for postoperative complications[J]. Cochrane Database Syst Rev, 2006, 18(4) :408.
9Zargar-Shoshtari K, Hill AG. Optimization of perioperative care for colonic surgery: a review of the evidence[J]. ANZ J Surg,2008,78(1-2) :13-23.
10Hellstrom PM, Gryback P, Jacobs son H. The physiology of gastric ernptying[J]. Best Pract Res Clin Anaesthesiol, 2006, 20(3) :397-407.
