Manges A.R., Labbe A., Loo V.G., Atherton J.K., Behr M.A., Masson L., Tellis P.A., Brousseau R. (2010). Comparative Metagenomic Study of Alterations to the Intestinal Microbiota and Risk of Nosocomial Clostridum difficile-Associated Disease, J Infect Dis, 202(12), 1877-1884.