Fig. 2From: Muscle pain sensitivity after glutamate injection is not modified by systemic administration of monosodium glutamateThe bar graphs show the mean (±SE) pain intensity ratings 5 and 10 after injection of glutamate (Glu) or isotonic saline (IS) into the masseter or temporalis muscles. The black bars show the result from the monosodium glutamate (MSG) session, whereas the white bars show the results from the placebo session. *: P < 0.05. N = 16Back to article page