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Bomberg M, Timonen S.Bomberg M, et al. Among authors: timonen s.Appl Environ Microbiol. 2009 Jan;75(2):308-15. doi: 10.1128/AEM.01739-08. Epub 2008 Oct 31.Appl Environ Microbiol. 2009.PMID: 18978075Free PMC article.