Martínez-González, J., Robles-Arias, C. and Rodríguez-Cintrón, W. (2017) “Rapidly Progressive and Almost Lethal Pneumonia”, Puerto Rico Health Sciences Journal, 36(1). Available at: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/1389 (Accessed: 5 December 2025).