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Halse A, Wahren-Herlenius M, Jonsson R.Halse A, et al. Among authors: jonsson r.Clin Exp Immunol. 1999 Jan;115(1):208-13. doi: 10.1046/j.1365-2249.1999.00779.x.Clin Exp Immunol. 1999.PMID: 9933444Free PMC article.