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Sundby J, Schei B.Sundby J, et al. Among authors: schei b.Tidsskr Nor Laegeforen. 1992 Jun 20;112(16):2114-5.Tidsskr Nor Laegeforen. 1992.PMID: 1523637Norwegian.
Rostad B, Schei B, da Costa F, Onsrud M.Rostad B, et al. Among authors: schei b.Tidsskr Nor Laegeforen. 2004 May 20;124(10):1410-2.Tidsskr Nor Laegeforen. 2004.PMID: 15195185Free article.Norwegian.No abstract available.