Sexton, PharmD, S.M., Herndon, PharmD, BCACP, C.M. and Sinclair, PharmD, J.D. 2020. Patterns of heroin use following index prescription opioid exposure. Journal of Opioid Management. 16, 1 (Jan. 2020), 49–57. DOI:https://doi.org/10.5055/jom.2020.0550.