TY  - BOOK
AU  - Silvis,Stephen E.
TI  - Therapeutic gastrointestinal endoscopy
SN  - 0896401715
PY  - 1990///
CY  - New York
PB  - Igaku-Shoin
KW  - Endoscopy
KW  - Gastrointestinal diseases
KW  - Therapy
ER  -