Original Research

Effectiveness and safety of tapentadol prolonged release with tapentadol immediate release on-demand for the management of severe, chronic osteoarthritis-related knee pain: results of an open-label, phase 3b study

Steigerwald I, Müller M, Kujawa J, Balblanc JC, Calvo-Alén J

Journal of Pain Research 2012, 5:121-138

Published Date: 15 June 2012