RAUCK, MD, R. L.; BOOKBINDER, MD, S. A.; BUNKER, MD, T. R.; ALFTINE, MD, C. D.; GHALIE, MD, R.; NEGRO-VILAR, MD, PHD, A.; DE JONG, MD, E.; GERSHON, MD, S. The ACTION study: A randomized, open-label, multicenter trial comparing once-a-day extended-release morphine sulfate capsules (AVINZA®) to twice-a-day controlled-release oxycodone hydrochloride tablets (OxyContin®) for the treatment of chronic, moderate to severe low back pain. Journal of Opioid Management, [S. l.], v. 2, n. 3, p. 155–166, 2006. DOI: 10.5055/jom.2006.0025. Disponível em: https://wmpllc.org/ojs/index.php/jom/article/view/1125. Acesso em: 5 dec. 2023.