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Helbostad JL, Saltvedt I, Strobel C, Sveen U, Nøkleby K, Wyller TB.Helbostad JL, et al.Tidsskr Nor Laegeforen. 2009 Oct 8;129(19):2020. doi: 10.4045/tidsskr.09.0877.Tidsskr Nor Laegeforen. 2009.PMID: 19823213Free article.Norwegian.No abstract available.
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