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Farmen AH, Marthinsen PB, Sundseth J, Kolstad F, Kerty E, Elsais A.Farmen AH, et al. Among authors: sundseth j.Tidsskr Nor Laegeforen. 2019 Dec 9;139(18). doi: 10.4045/tidsskr.18.0841. Print 2019 Dec 10.Tidsskr Nor Laegeforen. 2019.PMID: 31823568Free article.Norwegian.