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Ly B, Njaastad AM, Sandbaek G, Solstrand R, Rosales A, Slagsvold CE.Ly B, et al. Among authors: slagsvold ce.Tidsskr Nor Laegeforen. 2004 Feb 19;124(4):478-80.Tidsskr Nor Laegeforen. 2004.PMID: 14983192Free article.Norwegian.