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Zahl PH, Maehlen J.Zahl PH, et al. Among authors: maehlen j.Tidsskr Nor Laegeforen. 2004 Sep 9;124(17):2238-9.Tidsskr Nor Laegeforen. 2004.PMID: 15356688Free article.Norwegian.
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Zahl PH, Maehlen J.Zahl PH, et al. Among authors: maehlen j.Tidsskr Nor Laegeforen. 2007 Jan 18;127(2):207-8; author reply 208.Tidsskr Nor Laegeforen. 2007.PMID: 17237877Free article.Norwegian.No abstract available.