Rodriguez-Ramos J, Rodriguez-Cintron W. Hidden Within: Pulmonary Nocardiosis in an Immunocompetent COPD Patient. PRHSJ [Internet]. 2025 Dec. 11 [cited 2025 Dec. 15];44(4):245-7. Available from: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/3534