TY - DATA AU - Gerke,Henning ED - American Society for Gastrointestinal Endoscopy TI - EUS guided tissue sampling techniques: cytology and biopsy T2 - ASGE Endoscopic Learning Library PY - 2008/// CY - Oak Brook, Ill. PB - American Society for Gastrointestinal Endoscopy KW - Digestive System Surgical Procedures KW - Endoscopy KW - methods ER -