TY  - RPRT
TI  - Endoscopic practice for upper gastrointestinal hemorrhage: differences between major teaching and community-based hospitals.
AU  - G S Cooper
AU  - A Chak
AU  - L E Way
AU  - P J Hammar
AU  - D L Harper
AU  - G E Rosenthal
PY  - 1998
DO  - 10.1016/s0016-5107(98)70002-1
UR  - https://pubmed.ncbi.nlm.nih.gov/9786105/
ID  - 9786105
ER  -