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Fig. 5 | The Journal of Headache and Pain

Fig. 5

From: Muscle pain sensitivity after glutamate injection is not modified by systemic administration of monosodium glutamate

Fig. 5

The overall mean (± SEM) relative changes in pressure pain threshold (PPT) of the masseter (Ma-ipsi: a) and the temporalis muscles (Ta-ipsi: b) on the ipsilateral side of the injection, Trapezius (c) and Thenar (d). P < 0.05. N = 16. * shows a significant difference compared to the baseline. $ shows a significant difference between the glutamate (Glu) and isotonic saline (IS) injections in the placebo session. # shows a significant difference between the monosodium glutamate (MSG) and the placebo sessions after the Glu injection

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The Journal of Headache and Pain

ISSN: 1129-2377

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