Patterns of migraine medication use in Norway: A nationwide registry-based observational study. - Stubberud, Anker; Borkenhagen, Solveig; Oteiza, Francisco; Dueland, Aud Nome; Bugge, Christoffer; Sæther, Erik Magnus; Tronvik, Erling; Stovner, Lars Jacob; Bjørk, Marte-Helene (Cephalalgia, 2024)