Duloxetine, a centrally acting analgesic, in the treatment of patients with osteoarthritis knee pain: A 13-week, randomized, placebo-controlled trial
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PII: S0304-3959(09)00369-8
doi:10.1016/j.pain.2009.06.024
© 2009 International Association for the Study of Pain. Published by Elsevier Inc. All rights reserved.

