4Shoda J,Oda K,Suzuki H,et al.Etiological significance of defects in cholesterol,phospholipid,and bile acid metabolism in the liver of patients with intrabepatic calculi[J].Hepatology,2001,33(51):1194-1205.
7Costamagna G, Tringali A, Shah SK, et al. Long - term follow - up of patients after endoscopic sphincterotomy for choledocholithia- sis, and risk factors for recurrence. Endoscopy,2002 ,34(4) :273- 279.