TY  - RPRT
TI  - When should colonoscopy be the first study for active lower intestinal hemorrhage?
AU  - B M Schuman
PY  - 1984
DO  - 10.1016/s0016-5107(84)72461-8
UR  - https://pubmed.ncbi.nlm.nih.gov/6334627/
ID  - 6334627
ER  -