1.
Colón G, Pérez CM, Guzmán M. Perioperative Outcomes in Octogenarians Undergoing Cardiac Surgery in Puerto Rico. PRHSJ [Internet]. 2014 Apr. 15 [cited 2025 Nov. 7];19(2). Available from: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/1154