TY  - BOOK
AU  - Balint,John A.
AU  - Sarfeh,I.James
AU  - Fried,Martin Barry
TI  - Gastrointestinal bleeding :diagnosis and management 
T2  - A Wiley medical publication
SN  - 0471046078
AV  - RC802 .B34 1977
PY  - 1977///
CY  - New York 
PB  - Wiley
KW  - Gastrointestinal hemorrhage
KW  - Hemorrhage, Gastrointestinal
ER  -