@misc{indiciaee7d31f2dcaf9, title = {Left ventricular videometry.}, author = {P D Clayton and L D Harris and S R Rumel and H R Warner}, year = {1974}, doi = {10.1016/0010-4809(74)90013-5}, url = {https://pubmed.ncbi.nlm.nih.gov/4604674/}, note = {Source identifier: 4604674} }