Citazione APA

Kristoffersen, E. S., Stavem, K., Lundqvist, C., & Russell, M. B. (2017). Excessive daytime sleepiness in secondary chronic headache from the general population. J Headache Pain.

Stile di citazione Chicago

Kristoffersen, Espen Saxhaug, Knut Stavem, Christofer Lundqvist, e Michael Bjørn Russell. "Excessive Daytime Sleepiness in Secondary Chronic Headache From the General Population." J Headache Pain 2017.

Citazione MLA

Kristoffersen, Espen Saxhaug, Knut Stavem, Christofer Lundqvist, e Michael Bjørn Russell. "Excessive Daytime Sleepiness in Secondary Chronic Headache From the General Population." J Headache Pain 2017.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.