◆ A consensus document of bowel preparation prior to colonoscopy ◆ Laparoscopy for Inflammatory Disorders of the Colon ◆ Advancing Technology in Colorectal Surgery ◆ Neurohumoral regulation of the gastrointestinal motility,secretion,and blood flow ◆ Laparoscopic Surgery for Colorectal Cancer     ◆ Clinical Analysis of Constipation of Rectum Outlet Obstruction Type and its Correlating Diseases ◆ Study on Microsatellite Instability in Colorectal Cancer with Familial Predisposition ◆ Effect of Double-tube Drainage through Anus on Colonic Dynamics after Primary Operation for Obstruction of Pig's Left-half Colon ◆ Experimental Study on the Effect of Jie Chang Kang on Plasma NO and ET of Rats with Ulcerative Colitis ◆ Radionuclide colon transit study in patients with idiopathic constipation