TY  - BOOK
AU  - Silverstein,Fred E.
AU  - Tytgat,Guido N.J.
TI  - Atlas of gastrointestinal endoscopy
SN  - 0397446160
PY  - 1991///
CY  - Philadelphia
PB  - Lippincott
KW  - Endoscopy, Gastrointestinal
KW  - Atlases
KW  - Gastrointestinal Diseases
KW  - Diagnosis
ER  -