Division of Gastroenterology Department of Internal Medicine St. Vincent's Hospital College of Medicine The Catholic University of Korea Suwon 16247 Korea;
Division of Gastroenterology Department of Internal Medicine St. Vincent's Hospital College of Medicine The Catholic University of Korea Suwon 16247 Korea;
Division of Gastroenterology Department of Internal Medicine St. Vincent's Hospital College of Medicine The Catholic University of Korea Suwon 16247 Korea;
Division of Gastroenterology Department of Internal Medicine St. Vincent's Hospital College of Medicine The Catholic University of Korea Suwon 16247 Korea;
Division of Gastroenterology Department of Internal Medicine St. Vincent's Hospital College of Medicine The Catholic University of Korea Suwon 16247 Korea;
Division of Gastroenterology Department of Internal Medicine St. Vincent's Hospital College of Medicine The Catholic University of Korea Suwon 16247 Korea;
Division of Gastroenterology Department of Internal Medicine St. Vincent's Hospital College of Medicine The Catholic University of Korea Suwon 16247 Korea;
Division of Gastroenterology Department of Internal Medicine St. Vincent's Hospital College of Medicine The Catholic University of Korea Suwon 16247 Korea;