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Bretthauer M, Haug C.Bretthauer M, et al.Tidsskr Nor Laegeforen. 2009 Apr 16;129(8):733. doi: 10.4045/tidsskr.09.08E1.Tidsskr Nor Laegeforen. 2009.PMID: 19373295Free article.Norwegian.No abstract available.
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