TY  - BOOK
AU  - Powell,Lawrie W.
AU  - Piper,Douglas W.
TI  - Fundamentals of gastroenterology: with self-assessment workbook 
SN  - 0074701924
PY  - 1995///
CY  - Sydney
PB  - McGraw-Hill
KW  - Gastrointestinal diseases
ER  -