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Stokke A, Julsrud J, Fosse A, Nielsen EW.Stokke A, et al.Tidsskr Nor Laegeforen. 2011 Feb 18;131(4):358-60. doi: 10.4045/tidsskr.09.0049.Tidsskr Nor Laegeforen. 2011.PMID: 21339785Free article.Norwegian.
Yaqub S, von Hanno T, Stokke A, Skjeflo T, Neset KA.Yaqub S, et al. Among authors: stokke a.Tidsskr Nor Laegeforen. 2004 Jan 22;124(2):189-91.Tidsskr Nor Laegeforen. 2004.PMID: 14743235Free article.Norwegian.