M.L. Signorini; L.P. Soto; M.V. Zbrun; G.J. Sequeira; M.R. Rosmini; L.S. Frizzo. (2012). Impact of probiotic administration on the health and fecal microbiota of young calves: A meta-analysis of randomized controlled trials of lactic acid bacteria. , 93(1), 0–.
doi:10.1016/j.rvsc.2011.05.001