Fig. 1From: Effects of anandamide in migraine: data from an animal modelEffect of anandamide (AEA) treatment on hyperalgesia at the formalin test. Pre-treatment with AEA, 30 min before vehicle administration, significantly decreases the total number of flinches/shakes during phase I and II. *p < 0.05 versus control group. Data were expressed as mean ± SDBack to article page