Zevallos, Juan Carlos, et al. “Gender Disparities in Puerto Ricans Hospitalized With an Initial Acute Myocardial Infarction: A Populationbased Perspective”. Puerto Rico Health Sciences Journal, vol. 31, no. 4, Dec. 2012, https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/791.