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Aymerich T, Holo H, Håvarstein LS, Hugas M, Garriga M, Nes IF.Aymerich T, et al. Among authors: havarstein ls.Appl Environ Microbiol. 1996 May;62(5):1676-82. doi: 10.1128/aem.62.5.1676-1682.1996.Appl Environ Microbiol. 1996.PMID: 8633865Free PMC article.