@misc{indiciae5e98038508b7, title = {The left ventricular ejection time in elderly subjects.}, author = {J L Willems and J Roelandt and H De Geest and H Kesteloot and J V Joossens}, year = {1970}, doi = {10.1161/01.cir.42.1.37}, url = {https://pubmed.ncbi.nlm.nih.gov/5425593/}, note = {Source identifier: 5425593} }