Vorsanger, PhD, MD, Gary, Jim Xiang, PhD, Akiko Okamoto, ScD, David Upmalis, MD, and Bruce Moskovitz, MD. “Evaluation of Study Discontinuations With Tapentadol Immediate Release and Oxycodone Immediate Release in Patients With Low Back or Osteoarthritis Pain”. Journal of Opioid Management 6, no. 3 (January 29, 2018): 169–179. Accessed May 2, 2024. https://wmpllc.org/ojs/index.php/jom/article/view/886.