Amanullah, S. et al. 2010. Feeding <i>Lactobacilli</i> as probiotic and proportion of <i>Escherichia coli</i> in the intestine of calves. Bangladesh Veterinarian. 26, 1 (Mar. 2010), 17–22. DOI:https://doi.org/10.3329/bvet.v26i1.4627.