The causal role of smoking on the risk of headache. A Mendelian randomization analysis in the HUNT study

European Journal of Neurology, EarlyView.

Source: European Journal of Neurology - June 14, 2018 Category: Neurology Authors: M. B. Johnsen , B. S. Winsvold , S. B ørte , G. Å. Vie , L. M. Pedersen , K. Storheim , F. Skorpen , K. Hagen , J. H. Bjørngaard , B. O. Åsvold , J. A. Zwart Source Type: research