Robles, R. R., Matos, T. D., Colón, H. M., Sahai, H., Reyes, J. C., Marrero, A., & Calderón, J. M. (2011). Mortality Among Hispanic Drug Users In Puerto Rico. Puerto Rico Health Sciences Journal, 22(4). Retrieved from https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/668