Amanullah, S.; Alam, M.; Subarna, R.; Bateen, R.; Huque, K.; Sultana, A. Feeding <i>Lactobacilli< i> As Probiotic and Proportion of <i>Escherichia coli< i> In the Intestine of Calves. Bangl. vet. 2010, 26, 17-22.