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Gad M, Kristensen NN, Kury E, Claesson MH.Gad M, et al. Among authors: claesson mh.Immunology. 2004 Dec;113(4):499-508. doi: 10.1111/j.1365-2567.2004.01977.x.Immunology. 2004.PMID: 15554928Free PMC article.