de Jesús, Kevin, William Ramos-Guasp, Richard Fontánez, Humberto Ramírez, José G. Conde, Juan González, and Walter R. Frontera. “Musculoskeletal Conditions in Older Men and Women: An Emergency Room Study”. Puerto Rico Health Sciences Journal 41, no. 2 (May 31, 2022): 56–62. Accessed December 16, 2025. https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/2738.