TY  - BOOK
AU  - Cotton Peter B
AU  - Williams Christopher B
TI  - Practical gastrointestinal endoscopy
SN  - 0632002743
AV  - WI 141  
U1  - 616.3/07545 
PY  - 1980///
CY  - Oxford
PB  - Blackwell Scientific Publications ; St. Louis, Mo. : [Distributed by] Blackwell Mosby Book Distributors
KW  - Endoscopy
KW  - Gastrointestinal Diseases
KW  - diagnosis
KW  - Digestive organs
KW  - Diseases
KW  - Diagnosis
ER  -