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. Author manuscript; available in PMC: 2017 Mar 11.
Published in final edited form as: Neuroscience. 2016 Jan 11;317:121–129. doi: 10.1016/j.neuroscience.2016.01.005

Fig. 2. Effect of sumatriptan on GTN-induced delayed onset hyperalgesia.

Fig. 2

The intradermal administration of sumatriptan (1 µg i.d.), 10 min before intradermal GTN administration, markedly attenuated GTN-induced delayed onset mechanical hyperalgesia (one-tailed Student’s t-test, P<0.0005).