TY - STAND AU - T. Shao AU - Y. Yang BT - Am J Gastroenterol DO - 10.1111/j.1572-0241.2005.41610.x M1 - 8 PY - 2005 SP - 1813 EP - 20 T2 - Am J Gastroenterol TI - Cholecystectomy and the risk of colorectal cancer VL - 100 SN - 0002-9270 (Print) 0002-9270 ER -