@misc{indiciaeb6b76e7f8866, title = {Doppler echocardiographic evaluation of left ventricular function.}, author = {K Saeian and L S Wann and K B Sagar}, year = {1990}, doi = {10.1111/j.1540-8175.1990.tb00344.x}, url = {https://pubmed.ncbi.nlm.nih.gov/10149188/}, note = {Source identifier: 10149188} }