TY  - RPRT
TI  - A simple method to assess postoperative risk.
AU  - G T Kinasewitz
AU  - M H Welch
PY  - 2001
DO  - 10.1378/chest.120.4.1057
UR  - https://pubmed.ncbi.nlm.nih.gov/11591537/
ID  - 11591537
ER  -