1. Introduction to endoscopic mucosal resection;Matsuda;Gastrointest Endosc Clin North Am,2001
2. Complications of enteral access;McClave;Gastrointest Endosc,2003
3. Direct percutaneous endoscopic jejunostomy;Shike;Gastrointest Endosc Clin North Am,1998
4. Interventional endosonography;Waxman;Cancer J,2002
5. Endoscopic sonography of the upper gastrointestinal tract;Botet;AJR,1991