TY  - RPRT
TI  - Gastrointestinal hemorrhage.
AU  - W F Berman
AU  - P G Holtzapple
PY  - 1975
DO  - 10.1016/s0031-3955(16)33214-x
UR  - https://pubmed.ncbi.nlm.nih.gov/1105365/
ID  - 1105365
ER  -