TY  - RPRT
TI  - Perforation and haematemesis.
AU  - L A IVES
PY  - 1950
DO  - 10.1016/s0140-6736(50)90150-4
UR  - https://pubmed.ncbi.nlm.nih.gov/15409666/
ID  - 15409666
ER  -