Colaciopo-Saavedra, Ricardo, José Rodríguez-Castro, José E. López, and Angel M. Mayor. “Outcomes After Heart Valve Replacement Surgery at the Cardiovascular Center of Puerto Rico and the Caribbean”. Puerto Rico Health Sciences Journal 27, no. 4 (November 10, 2008). Accessed October 20, 2025. https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/135.