6Schernhammer ES, Leitzmann MF, Michaud DS, et al. Cholecystectomy and the risk for developing colorectal cancer and distal colorectal adenomas. Br J Cancer,2003,88(1):79-83.
7Altieri A, Pelucchi C ,Talamini r, et al. Cholecystectomy and the risk of colorectal cancer in Italy. Br J Cancer,2004,90(9) :1753-1755.
8Paul J, Gessner F, Wechsler JG, et al. Increased incidence of gallstones and prior cholecystectomy in patients with large bowel cancer . Am J Gastroenterol, 1992,87(9) : 1120-1124
9Lagergren,J, Ye W Ekbom A. Intestinal Cancer After Cholecystectomy: is bile Involved in Carcinogenesis? Gastroenterology, 2001,121 (3) : 542-547.
10Morvay K, Szentleleki K, Torok G, et al. Effect of change of fecal bile acid excretion achieved by operative procedures on 1,2-dimethylhydrazine-induced colon cancer in rats. Dis Colon Rectum, 1989,32(10) :860-863.