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Figure 2 | The Journal of Headache and Pain

Figure 2

From: Serotonin, glutamate and glycerol are released after the injection of hypertonic saline into human masseter muscles – a microdialysis study

Figure 2

Pain intensity on the hypertonic saline side and control side. Graph showing the median (IQR) pain intensity according to VAS at the hypertonic saline and the control sides throughout the experiment. Before injection there were no differences between sides. After injections, the pain intensity was significantly higher and the pain duration was significantly longer on the side injected with hypertonic saline (Mann Whitney U-test; p < 0.05).

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The Journal of Headache and Pain

ISSN: 1129-2377

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