Fig. 2From: The effects of vitamin D3 supplementation on TGF-β and IL-17 serum levels in migraineurs: post hoc analysis of a randomized clinical trialThe correlation between changes in the number of headache days per month and serum levels of Treg/Th17 related cytokines throughout the 12-week trial. a The correlation between changes in the number of headache days per month and serum levels of TGF-β throughout the 12-week trial. b. The correlation between changes in the number of headache days per month and serum levels of IL-17 throughout the 12-week trialBack to article page