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Holsten F, Bjorvatn B.Holsten F, et al. Among authors: bjorvatn b.Tidsskr Nor Laegeforen. 1997 Jun 30;117(17):2484-8.Tidsskr Nor Laegeforen. 1997.PMID: 9265311Review.Norwegian.
Bjorvatn B, Holsten F.Bjorvatn B, et al.Tidsskr Nor Laegeforen. 1997 Jun 30;117(17):2489-92.Tidsskr Nor Laegeforen. 1997.PMID: 9265312Review.Norwegian.
Bjorvatn B, Holsten F, Skeidsvoll H.Bjorvatn B, et al.Tidsskr Nor Laegeforen. 2001 Aug 10;121(18):2169-72.Tidsskr Nor Laegeforen. 2001.PMID: 11571994Review.Norwegian.
Pallesen S, Bjorvatn B, Nordhus IH, Skjerve A.Pallesen S, et al. Among authors: bjorvatn b.Tidsskr Nor Laegeforen. 2002 Dec 10;122(30):2857-9.Tidsskr Nor Laegeforen. 2002.PMID: 12569707Review.Norwegian.