TY  - BOOK
AU  - Laufer,Igor
TI  - Double contrast gastrointestinal radiology with endoscopic correlation
SN  - 0721657346
PY  - 1979///
CY  - Philadelphia
PB  - W. B. Saunders
KW  - Contrast media
KW  - Endoscopy
KW  - Gastrointestinal system
KW  - radiology
ER  -