Costa, Giselle Nobre, et al. “Antimicrobial Activity of Lactobacillus and Bifidobacterium Strains Against Pathogenic Microorganisms ‘in Vitro’”. Semina: Ciências Agrárias, vol. 33, no. 5, Oct. 2012, pp. 1839-46, doi:10.5433/1679-0359.2012v33n5p1839.