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Sandberg M, Nakstad A, Hyldmo PK.Sandberg M, et al. Among authors: hyldmo pk.Tidsskr Nor Laegeforen. 2008 Sep 25;128(18):2087; author reply 2087.Tidsskr Nor Laegeforen. 2008.PMID: 18846130Free article.Norwegian.No abstract available.