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Webster NS, Cobb RE, Negri AP.Webster NS, et al. Among authors: negri ap.ISME J. 2008 Aug;2(8):830-42. doi: 10.1038/ismej.2008.42. Epub 2008 May 15.ISME J. 2008.PMID: 18480849Free article.
Webster NS, Soo R, Cobb R, Negri AP.Webster NS, et al. Among authors: negri ap.ISME J. 2011 Apr;5(4):759-70. doi: 10.1038/ismej.2010.152. Epub 2010 Oct 14.ISME J. 2011.PMID: 20944682Free PMC article.