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Bakke E, Bachs L.Bakke E, et al. Among authors: bachs l.Tidsskr Nor Laegeforen. 2009 Nov 19;129(22):2364-6. doi: 10.4045/tidsskr.09.0471.Tidsskr Nor Laegeforen. 2009.PMID: 19935937Free article.Norwegian.