TY  - RPRT
TI  - Aortic valve replacement in the elderly.
AU  - P J Commerford
AU  - A Curcio
AU  - M Albanese
AU  - W Beck
PY  - 1981
UR  - https://pubmed.ncbi.nlm.nih.gov/7244907/
ID  - 7244907
ER  -