TY  - RPRT
TI  - APACHE II in emergency operations for perforated ulcers.
AU  - M Schein
AU  - G Gecelter
AU  - Z Freinkel
AU  - H Gerding
PY  - 1990
DO  - 10.1016/s0002-9610(05)81225-5
UR  - https://pubmed.ncbi.nlm.nih.gov/2305938/
ID  - 2305938
ER  -