Vélez-Pastrana, Steven, Miguel Campos-Colberg, Juan González-Sanchez, Rodney George, Vanesa Campos-Colberg, Bianca López, and Susan Corey-Best. 2023. “Non-Fatal Opioid Overdose and Abuse Visits to a University Hospital Emergency Department in Puerto Rico, 2009-2018”. Puerto Rico Health Sciences Journal 42 (2):111-20. https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/2815.