One-year prevalence of cluster headache, hemicrania continua, paroxysmal hemicrania and SUNCT in Norway: a population-based nationwide registry study von Hagen, Knut

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The global prevalence of headache: an update, with analysis of the influences of methodological factors on prevalence estimates von Stovner, Lars Jacob, Hagen, Knut, Linde, Mattias, Steiner, Timothy J.

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Overweight and obesity as risk factors for chronic low back pain: a new follow-up in the HUNT Study von Heuch, Ingrid, Heuch, Ivar, Hagen, Knut, Zwart, John-Anker

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Body mass index as a risk factor for developing chronic low back pain: a follow-up in the Nord-Trøndelag Health Study von Heuch, Ingrid, Heuch, Ivar, Hagen, Knut, Zwart, John-Anker

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The bidirectional temporal relationship between headache and affective disorders: longitudinal data from the HUNT studies von Giri, Samita, Tronvik, Erling Andreas, Hagen, Knut

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Physical activity level at work and risk of chronic low back pain: A follow-up in the Nord-Trøndelag Health Study von Heuch, Ingrid, Heuch, Ivar, Hagen, Knut, Zwart, John-Anker

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The Impact of Body Mass Index on the Prevalence of Low Back Pain: The HUNT Study von HEUCH, Ingrid, HAGEN, Knut, HEUCH, Ivar, NYGAARD, Øystein, ZWART, John-Anker

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Time trends of major headache diagnoses and predictive factors. Data from three Nord-Trøndelag health surveys von Hagen, Knut, Stovner, Lars Jacob, Zwart, John-Anker

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Menopausal hormone therapy, oral contraceptives and risk of chronic low back pain: the HUNT Study von Heuch, Ingrid, Heuch, Ivar, Hagen, Knut, Storheim, Kjersti, Zwart, John-Anker

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Associations between the number of children, age at childbirths and prevalence of chronic low back pain: the Nord-TrOndelag Health Study von Heuch, Ingrid, Heuch, Ivar, Hagen, Knut, Storheim, Kjersti, Zwart, John-Anker

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A Comparison of Anthropometric Measures for Assessing the Association between Body Size and Risk of Chronic Low Back Pain: The HUNT Study von Heuch, Ingrid, Heuch, Ivar, Hagen, Knut, Zwart, John-Anker

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Premonitory symptoms in migraine: A cross-sectional study in 2714 persons von Laurell, Katarina, Artto, Ville, Bendtsen, Lars, Hagen, Knut, Häggström, Johan, Linde, Mattias, Söderström, Lars, Tronvik, Erling, Wessman, Maija, Zwart, John Anker, Kallela, Mikko

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Is there a U-shaped relationship between physical activity in leisure time and risk of chronic low back pain? A follow-up in the HUNT Study von Heuch, Ingrid, Heuch, Ivar, Hagen, Knut, Zwart, John-Anker

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The impact of C-reactive protein levels on headache frequency in the HUNT study 2006-2008 von Hagen, Knut, Stovner, Lars Jacob, Nilsen, Kristian Bernhard, Kristoffersen, Espen Saxhaug, Winsvold, Bendik Slagsvold

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Migraine, obesity and body fat distribution – a population-based study von Kristoffersen, Espen Saxhaug, Børte, Sigrid, Hagen, Knut, Zwart, John-Anker, Winsvold, Bendik Slagsvold

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High sensitivity C-reactive protein and risk of migraine in a 11-year follow-up with data from the Nord-Trøndelag health surveys 2006–2008 and 2017–2019 von Hagen, Knut, Stovner, Lars Jacob, Zwart, John-Anker

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Headache disorders and risk of stroke: A register-linked HUNT study von Giri, Samita, Tronvik, Erling, Dalen, Håvard, Ellekjær, Hanne, Olsen, Alexander, Hagen, Knut

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Endogenous pain modulation after sleep restriction in migraine: a blinded crossover study von Neverdahl, Jan Petter, Uglem, Martin, Matre, Dagfinn, Nilsen, Kristian Bernhard, Hagen, Knut, Gravdahl, Gøril Bruvik, Sand, Trond, Omland, Petter Moe

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The impact of topiramate, botulinum toxin type A, and CGRP-antibodies on medication overuse headache in patients with chronic migraine: A protocol for systematic review and meta-an... von Giri, Samita, Tronvik, Erling, Linde, Mattias, Hagen, Knut

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Does the risk of chronic low back pain depend on age at menarche or menopause? A population-based cross-sectional and cohort study: the Trøndelag Health Study von Heuch, Ingrid, Heuch, Ivar, Hagen, Knut, Storheim, Kjersti, Zwart, John-Anker

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