Berge, Line Iden, Trond Riise, and Marjolein Iversen. “Co-Morbidity Between Diabetes, Migraine and Depression”. Norsk Epidemiologi 23, no. 1 (June 4, 2013). Accessed May 6, 2024. https://www.ntnu.no/ojs/index.php/norepid/article/view/1606.