TY  - RPRT
TI  - Cardiovascular preop evaluation.
AU  - K Balasaraswathi
AU  - A A El-Etr
PY  - 1976
DO  - 10.1016/s0001-2092(07)60909-0
UR  - https://pubmed.ncbi.nlm.nih.gov/1044260/
ID  - 1044260
ER  -