8Soderlund C, Frozanpor E, Linder S, et al. Bile duct injuries at laparoscopie cholecysteetomy:a single-institution prospective study. Acute eholecystitis indicate an increased risk[J]. World J Surg, 2005,29 (8) :987-997.
9Johansson M, Thune A, Nelvin L, et al. Randomized clinical trial of open versus laparoscopic cholecystectomy in the treat- ment of acute cholecystitis[J]. Br J surg,2005,92(1):44-49.
