Manchikanti, BA, K. n., L. Manchikanti, MD, K. S. Damron, RN, V. Pampati, MSc, and B. Fellows, MA. “Increasing Deaths from Opioid Analgesics in the United States: An Evaluation in an Interventional Pain Management Practice”. Journal of Opioid Management, vol. 4, no. 5, Jan. 2018, pp. 271-83, doi:10.5055/jom.2008.0031.