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Kalland KH, Håvarstein LS, Sommerfelt H.Kalland KH, et al. Among authors: havarstein ls.Tidsskr Nor Laegeforen. 1987 Oct 20;107(29):2510-2, 2543.Tidsskr Nor Laegeforen. 1987.PMID: 3445246Norwegian.No abstract available.
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