TY  - BOOK
AU  - Barkin, Jamie S.
AU  - Rogers, Arvey I.
TI  - Difficult decisions in digestive diseases
SN  - 0-815-0514-2
U1  - 616.3 
PY  - 1989///
CY  - Chicago
PB  - Year Book Medical
KW  - Internal Medicine
ER  -