TY  - RPRT
TI  - Acute gastrointestinal bleeding.
AU  - J Schaffner
PY  - 1986
DO  - 10.1016/s0025-7125(16)30911-7
UR  - https://pubmed.ncbi.nlm.nih.gov/3526025/
ID  - 3526025
ER  -