TY  - RPRT
TI  - [Prognosis of acute upper gastrointestinal bleeding before and after the introduction of emergency endoscopy (author's transl)].
AU  - P Huber
AU  - L Filippini
PY  - 1977
DO  - 10.1055/s-0028-1105547
UR  - https://pubmed.ncbi.nlm.nih.gov/303560/
ID  - 303560
ER  -