Costello, L. A. (2025) “Disparities in Opioid Distribution in Puerto Rico and the Continental United States (2018-2023)”, Puerto Rico Health Sciences Journal, 44(2), pp. 84–88. Available at: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/3423 (Accessed: 29 October 2025).