K. L. Nava Terán, D. M. Sánchez Galvis, G. Colina López, and K. Valero Leal, “Enterotoxins, Biofilm and Resistance to Antimicrobial Agents of Coagulase-Negative Staphylococcus Strains Isolated from Blood Cultures”, Kasmera, vol. 41, no. 2, pp. 106-114, Oct. 2013.