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Engstrøm, Morten, Knut Hagen, Marte Helene Bjørk, Lars Jacob Stovner, Gøril Bruvik Gravdahl, Marit Stjern, und Trond Sand. Sleep Quality, Arousal and Pain Thresholds in Migraineurs: A Blinded Controlled Polysomnographic Study. Springer, 2013.

Engstrøm, Morten, et al. Sleep Quality, Arousal and Pain Thresholds in Migraineurs: A Blinded Controlled Polysomnographic Study. Springer, 2013.