TY  - BOOK
AU  - Thomson, A.B.R.
AU  - Shaffer, E. A.
TI  - First principles of gastroenterology: the basis of disease and a n approach to management 
SN  - 0920163181
PY  - 2000///
CY  - Mississauga, ON
PB  - AstraZeneca Canada
KW  - Gastroenterology
KW  - Gastrointestinal system
N1  - Includes bibliographical references and index
ER  -