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55 Интервью, взятое автором у Стюарта Ливи в июне 2006 г.

56 N. B. Shoemaker, H. Hayes, A. A. Salvers, “Evidence for Extensive Resistance Gene Transfer Among Bacteroides spp. and Among Bacteroides and Other Genera in the Human Colon”, Applied and Environmental Microbiology 67 (February 2001), 561–568.