Mili?n, G., A. J. Rond?n, M. P?rez, R. Bocourt, Z. Rodr?guez, M. J. Ranilla, M. Rodr?guez, and M. D. Carro. “Evaluation of Bacillus Subtilis Biopreparations As Growth Promoters in Chickens”. Cuban Journal of Agricultural Science, vol. 47, no. 1, Mar. 2013, https://cjascience.com/index.php/CJAS/article/view/257.