Hale, MD, M. E., T. R. Zimmerman, MD, E. Eyal, MSc, and R. Malamut, MD. “Efficacy and Safety of a Hydrocodone Extended-Release Tablet Formulated With Abuse-Deterrence Technology in Patients With Moderate-to-Severe Chronic Low Back Pain”. Journal of Opioid Management, vol. 11, no. 6, Nov. 2015, pp. 507-18, doi:10.5055/jom.2015.0304.