Figueroa, Yolanda, Pablo I. Altieri, Héctor Banchs, Nelson Escobales, María Crespo, Efraín Defendini, and Iván González-Cancel. 2006. “Coronary Artery Abnormalities in Puerto Rico”. Puerto Rico Health Sciences Journal 25 (3). https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/298.