The Division of Gastroenterology and Nutrition enjoys a long history of basic and clinical research excellence in a variety of areas, including small bowel physiology and carbohydrate metabolism, hepatic drug injury, alcohol-mediated cell injury.  Current areas of active research interest include treatment of cholangitis, laser lithotripsy for large bile duct stones, NOTES (natural orifices trans-endoscopic surgery), ERCP in liver transplant patients, effects of laser on biliary epithelium, and techniques for enhancing the success and safety of ERCP.