Weschenfelder, S.; Pinto Paim, M.; Gerhardt, C.; Chaves Carvalho, H. H.; Wiest, J. M. Kefir: Composition and Evaluation of in Situ Antagonistic Activityagainst Staphylococcus Aureus and Escherichia Coli. Rev. Ciênc. Agron. 2018, 49 (3), 450-457.