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H-J Gruber, C Bernecker, A Lechner, S Weiss, M Wallner-Blazek, A Meinitzer, G Höbarth, W Renner, G Fauler, R Horejsi, F Fazekas, and M Truschnig-Wilders
Cephalalgia April 1 2010, Vol. 30, No. 4, 486-492.