Cornel, J. H., Bax, J. J., Elhendy, A., Poldermans, D., Vanoverschelde, J.-L., & Fioretti, P. M. (1997). Predictive Accuracy of Echocardiographic Response of Mildly Dyssynergic Myocardial Segments to Low-Dose Dobutamine. The American Journal of Cardiology, 80(11), 1481-1484. https://doi.org/10.1016/s0002-9149(97)00721-2 (Original work published 1997)