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Koukila-Kähkölä P, Paulin L, Brander E, Jantzen E, Eho-Remes M, Katila ML.Koukila-Kähkölä P, et al.J Med Microbiol. 2000 Oct;49(10):937-940. doi: 10.1099/0022-1317-49-10-937.J Med Microbiol. 2000.PMID: 11023191