5Siddiqui T, MacDonald A, Chong P S, et al.Early versus delayed interval laparoscopic cholecystectomy for acute cholecystitis: a meta-analysis ofrandomized clinical trials[J].Am J Surg, 2008, 195(1): 40-47.
1Subrahmanyam M, Sreelakshmi B. Comparison of total intravenous anaesthesia using propofol with or without sufentanil in laparoscopic cholecystectomies[J]. Indian J Anaesth,2009,53(4) :467- 474.
2El-Dawlatly AA,Turkistani A,Kettner SC, et al. Ultra sound-guided transversus abdominis plane block: de- scription of a new technique and comparison with con ventional systemic analgesia during laparoscopic chole- cystectomy[J]. Br J, Anaesth, 2009,102 (6) .. 763-767.
