TY  - BOOK
AU  - Powell,Lawrie W.
AU  - Piper,Douglas W.
TI  - Fundamentals of gastroenterology : : with self assessment workbook / 
SN  - 0074701924.
PY  - 1995///
CY  - New York : 
PB  - McGraw - Hill, 
KW  - Gastroenterology
N1  -  Includes index
ER  -