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Quantitative sensory testing data before (dark blue) and after (light blue) 18 weeks' treatment with either placebo or duloxetine. QST was assessed using ipsilateral (a) and contralateral (b) cuff pain detection thresholds, ipsilateral (c) and contralateral (d) cuff pain tolerance thresholds, (e) temporal summation of pain and (f) conditioned pain modulation. The data presented illustrate means and standard deviations.
