Martin, Ralph J., and Bartolo Santiago. “Left Ventricular Function Parameters in a Hispanic Population: Comparison of Planar & Tomographic Radionuclide Ventriculography (MUGA)”. Puerto Rico Health Sciences Journal 34, no. 3 (August 7, 2015). Accessed December 18, 2025. https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/1151.