1Frwzee RC,Roders J,Symmonda R,et al.Combined laparoseopic and endoscopic management of cholelithaisis and choledochlithiasis[J].Am J Surg,1993,166:702-710.
2Giger U,Michel JM,Vonlanthenen R,et al.Laparoscopic choiecys tectomy in acute cholecystitis:indication,technique,risk and outcome[J].Langenbecks Arch Surg,2005,390(5):373-380.