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Bjorngaard, J. H., Gunnell, D., Elvestad, M. B., Davey Smith, G., Skorpen, F., Krokan, H., et al. (2013). The causal role of smoking in anxiety and depression: a Mendelian randomization analysis of the HUNT study. Psychol Med, 43(4), 711–719.
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Kvehaugen, A. S., Melien, O., Holmen, O. L., Laivuori, H., Oian, P., Andersgaard, A. B., et al. (2013). Single nucleotide polymorphisms in G protein signaling pathway genes in preeclampsia. Hypertension, 61(3), 655–661.
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Kvestad, E., Czajkowski, N., Krog, N. H., Engdahl, B., & Tambs, K. (2012). Heritability of hearing loss. Epidemiology, 23(2), 328–331.
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