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de Bok FA, van Leerdam RC, Lomans BP, Smidt H, Lens PN, Janssen AJ, Stams AJ.de Bok FA, et al. Among authors: smidt h.Appl Environ Microbiol. 2006 Dec;72(12):7540-7. doi: 10.1128/AEM.01133-06. Epub 2006 Sep 29.Appl Environ Microbiol. 2006.PMID: 17012592Free PMC article.