Fig. 1From: Frovatriptan versus almotriptan for acute treatment of menstrual migraine: analysis of a double-blind, randomized, cross-over, multicenter, Italian, comparative studyCumulative hazard of recurrence over the 24 h during treatment with frovatriptan (continuous line) or almotriptan (dashed line) in the 67 women with menstrually related migraine included in this analysis. The p value refers to the statistical significance of the between-treatment differenceBack to article page