TY  - RPRT
TI  - Functional evaluation after aortic valve replacement.
AU  - K Niemelä
AU  - M Ikäheimo
AU  - J Takkunen
PY  - 1983
DO  - 10.3109/14017438309099356
UR  - https://pubmed.ncbi.nlm.nih.gov/6648397/
ID  - 6648397
ER  -