TY  - DATA
AU  - Rex,Douglas K.
ED  - American Society for Gastrointestinal Endoscopy
TI  - Colonoscopy technique: basic and advanced 
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  -