TY - DATA AU - Shim,C.S. ED - American Society for Gastrointestinal Endoscopy TI - Endoscopic removal of foreign bodies in the upper GI tract T2 - ASGE Endoscopic Learning Library PY - 0000///[?] CY - Oak Brook, Ill. PB - American Society for Gastrointestinal Endoscopy KW - Digestive System Surgical Procedures KW - Endoscopy KW - methods ER -