An unfavorable lifestyle and recurrent headaches among adolescents: The HUNT study
Robberstad, L., Dyb, G., Hagen, K., Stovner, L. J., Holmen, T. L., & Zwart, J. A. (2010). An unfavorable lifestyle and recurrent headaches among adolescents: The HUNT study. Neurology, 75(8), 712-717. doi:10.1212/WNL.0b013e3181eee244