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Petersen AM, Krogfelt KA.Petersen AM, et al. Among authors: krogfelt ka.FEMS Immunol Med Microbiol. 2003 May 25;36(3):117-26. doi: 10.1016/S0928-8244(03)00020-8.FEMS Immunol Med Microbiol. 2003.PMID: 12738380Free article.Review.