TY  - BOOK
AU  - Ginsberg,Gregory G.
TI  - Clinical gastrointestinal endoscopy
SN  - 0721602827
PY  - 2005///
CY  - Philadelphia
PB  - Elsevier
KW  - Gastrointestinal diseases
KW  - Diagnosis
KW  - Endoscopy
KW  - methods
ER  -