TY  - BOOK
AU  - Silvis, Stephen E.
TI  - Therapeutic gasrointestinal endoscopy
SN  - 0896401715
PY  - 1990///
CY  - New York
PB  - Igaku-Shoin Medical Publishers
KW  - Endoscopy
KW  - Gastrointestinal Diseases
KW  -  therapy
N1  - Includes index
ER  -