TY - DATA AU - Jung,In Seop ED - American Society for Gastrointestinal Endoscopy TI - Endoscopic removal of submucosal tumors T2 - ASGE Endoscopic Learning Library PY - 2007/// CY - Oak Brook, Ill. PB - American Society for Gastrointestinal Endoscopy KW - Digestive System Surgical Procedures KW - Endoscopy KW - methods ER -