Valdéz, A., Y. García, V. M. Álvarez, A. Samón, E. Pérez, J. O. Serrano, Y. Rodríguez, and A. Berenguer. “Effect of Efficient Microorganisms, Native to Guantánamo, Cuba, on Bioproductive and Hematological Indicators of Pre-Fattening Pigs”. Cuban Journal of Agricultural Science, vol. 54, no. 3, Sept. 2020, https://cjascience.com/index.php/CJAS/article/view/973.