Mayo-Santana R. Ángel o de la amistad : Ángel A. Román Franco, MD. PRHSJ [Internet]. 2022 Dec. 1 [cited 2025 Oct. 31];41(4):256-9. Available from: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/3055