Bayona, Manuel, Federico Montealegre, Vera Lucía Gomes de Andrade, and Fernando Treviño. “Prognostic Factors of Severe Asthma in Puerto Rico”. Puerto Rico Health Sciences Journal 21, no. 3 (December 27, 2012). Accessed November 7, 2025. https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/872.