@misc{indiciaee435644af8a5, title = {Cross sectional echocardiographic left ventricular ejection fraction: method based variability.}, author = {J C Mohan and K K Sethi and R Arora and M Khalilullah}, url = {https://pubmed.ncbi.nlm.nih.gov/1398691/}, note = {Source identifier: 1398691} }