The association between headache and Val158Met polymorphism in the catechol–O–methyltransferase gene: the HUNT Study

por Hagen, K., Pettersen, E., Stovner, L. J., Skorpen, F., Zwart, J.-A.
Publicado 2006

Body mass index and the risk of meningioma, glioma and schwannoma in a large prospective cohort study (The HUNT Study)

por Wiedmann, M, Brunborg, C, Lindemann, K, Johannesen, T B, Vatten, L, Helseth, E, Zwart, J A
Publicado 2013

Migraine and frequent tension-type headache are not associated with multiple sclerosis in a Norwegian case-control study

por Gustavsen, MW, Celius, EG, Winsvold, BS, Moen, SM, Nygaard, GO, Berg-Hansen, P, Lie, BA, Zwart, J-A, Harbo, HF
Publicado 2016