TY  - BOOK
AU  - Johanson,John F.
TI  - Gastrointestinal diseases: risk factors and prevention 
SN  - 0397587813 (hardcover)
AV  - RC802 .G3725 1997
U1  - 616.3/305 21
PY  - 1997///
CY  - Philadelphia
PB  - Lippincott
KW  - Gastrointestinal system
KW  - Diseases
KW  - Risk factors
KW  - Prevention
KW  - Gastrointestinal Diseases
KW  - prevention & control
KW  - Risk Factors
N1  - Includes bibliographical references and index
ER  -