TY  - RPRT
TI  - Doppler echocardiographic evaluation of left ventricular function.
AU  - K Saeian
AU  - L S Wann
AU  - K B Sagar
PY  - 1990
DO  - 10.1111/j.1540-8175.1990.tb00344.x
UR  - https://pubmed.ncbi.nlm.nih.gov/10149188/
ID  - 10149188
ER  -