Rauck, MD, Richard L., Stephen A. Bookbinder, MD, Timothy R. Bunker, MD, Christopher D. Alftine, MD, Richard Ghalie, MD, Andres Negro-Vilar, MD, PhD, Egbert de Jong, MD, and Steven Gershon, MD. 2006. “A Randomized, Open-Label Study of Once-a-Day AVINZA® (morphine Sulfate Extended-Release Capsules) Versus Twice-a-Day OxyContin® (oxycodone Hydrochloride Controlled-Release Tablets) for Chronic Low Back Pain: The Extension Phase of the ACTION Trial”. Journal of Opioid Management 2 (6):325-33. https://doi.org/10.5055/jom.2006.0048.