Virtanen J.; Giniatullin R.; Mäntyselkä P.; Voutilainen S.; Nurmi T.; Mursu J.; Kauhanen J.; Tuomainen T.
(2017)
© The Author(s) 2017.Vitamin D has been suggested to have a role in various neurovascular diseases, but the data regarding headache is inconclusive. Our aim was to investigate the associations between serum 25-hydroxyvitamin ...