Pain — Evaluation of Effectiveness and Tolerability of Tapentadol Hydrochloride in Subjects With Severe Chronic Low Back Pain Taking WHO Step III Analgesics But Showing a Lack of Tolerability
Citation(s)
An Evaluation of the Effectiveness and Tolerability of Tapentadol Hydrochloride Prolonged Release, and Tapentadol Hydrochloride Immediate Release on Demand, in Subjects With Severe Chronic Nociceptive, Mixed or Neuropathic Low Back Pain Taking WHO Step III Analgesics But Showing a Lack of Tolerability