Rodríguez, Vanessa E., and Esther N. González-Parés. “Mortality Study in Puerto Ricans With Systemic Lupus Erythematosus”. Puerto Rico Health Sciences Journal, vol. 19, no. 4, Dec. 2013, https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/1086.