Drugs related to motor vehicle crashes in northern European countries: A study of fatally injured drivers.

Jørg Mørland, Anni Steentoft, Kirsten Wiese Simonsen, Ilkka Ojanperä, Errki Vuori, Kristin Magnusdottir, Jakob Kristinsson, Gunnel Ceder, Robert Kronstrand, Asbjørg Christophersen