TY  - RPRT
TI  - Upper gastrointestinal bleeding: a review.
AU  - T A Broughan
AU  - D P Vogt
PY  - 1982
DO  - 10.3949/ccjm.49.2.97
UR  - https://pubmed.ncbi.nlm.nih.gov/6749332/
ID  - 6749332
ER  -