@misc{indiciaefa8b4820202d, title = {Visual estimation versus quantitative assessment of left ventricular ejection fraction: a comparison by cardiovascular magnetic resonance imaging.}, author = {Burkhard Sievers and Simon Kirchberg and Ulrich Franken and Binu-John Puthenveettil and Asli Bakan and Hans-Joachim Trappe}, year = {2005}, doi = {10.1016/j.ahj.2004.11.017}, url = {https://pubmed.ncbi.nlm.nih.gov/16209976/}, note = {Source identifier: 16209976} }