Fig. 2From: Investigation of sumatriptan and ketorolac trometamol in the human experimental model of headacheHeadache intensity of individual volunteers (black lines) and the median headache intensity (red line) after PACAP38 and pre-treatment with ketorolac /sumatriptan (n = 17) and post-treatment with ketorolac /sumatriptan (n = 17)Back to article page