Romero-Marrero, Carlos, Ana P. Ortiz, Cynthia M. Pérez, Javier Pérez, and Esther A. Torres. “Survival of Hepatocellular Carcinoma in Puerto Rico”. Puerto Rico Health Sciences Journal 28, no. 2 (May 13, 2009). Accessed December 19, 2025. https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/109.