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Harmsen HJ, Akkermans AD, Stams AJ, de Vos WM.Harmsen HJ, et al.Appl Environ Microbiol. 1996 Jun;62(6):2163-8. doi: 10.1128/aem.62.6.2163-2168.1996.Appl Environ Microbiol. 1996.PMID: 8787413Free PMC article.