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Tøndel C, Laegreid LM, Hirth A, Houge G, Månsson JE, Søvik O.Tøndel C, et al. Among authors: hirth a.Tidsskr Nor Laegeforen. 2003 Dec 4;123(23):3388-90.Tidsskr Nor Laegeforen. 2003.PMID: 14713976Norwegian.
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