Institution: | 1Division of Hepatology and Gastroenterology, Department of Internal Medicine, The Research Institute of Clinical Medicine, Chonbuk National University Medical School and Hospital, Jeonju 561-712, Korea.;2Department of Pharmacology, The Research Institute of Clinical Medicine, Chonbuk National University Medical School and Hospital, Jeonju 561-712, Korea.;3Bio-Organic Science Division, Korea Research Institute of Chemical Technology, Daejeon 305-343, Korea. |