Fig. 4From: Characterization of the biochemical and behavioral effects of cannabidiol: implications for migraineOrofacial formalin test in the acute migraine model; Data are expressed as mean time spent in face rubbing time (in seconds) in Phases I (0–3 min) and II (12–45 min). Data were normally distributed and were analyzed using one-way ANOVA followed by Tukey’s multiple comparisons test: *p < 0.05 vs CT; °p < 0.05 vs. NTG + Vehicle. Data are expressed as mean ± SEM, N = 7–8 per groupBack to article page