TY  - RPRT
TI  - Perforated peptic ulcer.
AU  - S A LOCALIO
AU  - A H POSTEL
PY  - 1959
DO  - 10.1016/s0039-6109(16)35884-4
UR  - https://pubmed.ncbi.nlm.nih.gov/14417769/
ID  - 14417769
ER  -