TY - GEN AU - Steigerwald,Ilona AU - Müller,Matthias AU - Kujawa,Jolanta AU - Balblanc,Jean-Charles AU - Calvo-Alén,Jaime TI - 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 SN - 1178-7090 PY - 2012///1002 N1 - Publication Type: Journal Article UR - https://doi.org/10.2147/JPR.S30540 ER -