J. Parra-Suescún, J. H. Agudelo Trujillo, and A. López-Herrera, “Escherichia coli lipopolysaccharides decrease molecular expression and activity of disaccharidases and aminopeptidases in weaned pigs”, Rev. colomb. cienc. pecu., vol. 28, no. 1, pp. 64–73, Feb. 2015.