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The HUNT4 study: the validity of questionnaire-based diagnoses.
Hagen K, Åsberg AN, Uhlig BL, Tronvik E, Brenner E, Sand T. Hagen K, et al. Among authors: asberg an. J Headache Pain. 2019 Jun 13;20(1):70. doi: 10.1186/s10194-019-1021-0. J Headache Pain. 2019. PMID: 31195960 Free PMC article.
Migraine as a predictor of mortality: The HUNT study.
Åsberg AN, Stovner LJ, Zwart JA, Winsvold BS, Heuch I, Hagen K. Åsberg AN, et al. Cephalalgia. 2016 Apr;36(4):351-7. doi: 10.1177/0333102415593090. Epub 2015 Jun 26. Cephalalgia. 2016. PMID: 26115666