Division of Gastroenterology;
Department of Internal Medicine;
Soon Chun Hyang University College of Medicine;
Cheonan Hospital;
Division of Gastroenterology;
Department of Internal Medicine;
Inha University School of Medicine;
Division of Gastroenterology;
Department of Internal Medicine;
Chungbuk National University College of Medicine;
Duodenal perforation; Endoscopic retrograde cholangiopancreatography; Endoscopic therapy; Endoclip;