TY  - BOOK
AU  - Cotton,Peter B.
AU  - Williams,Christopher B.
TI  - Practical gastrointestinal endoscopy
SN  - 0632027061
PY  - 1990///
CY  - Oxford
PB  - Blackwell Scientific Publications
KW  - Digestive organs
KW  - Diseases
KW  - Diagnosis
KW  - Endoscope and endoscopy
KW  - Gastrointestinal diseases
KW  - Endroscopy
KW  - Gastroscopy
ER  -