TY - SER AU - Weschenfelder,S. AU - Paim,M.P. AU - Gerhardt,C. AU - Carvalho,H.H.C. AU - Wiest,J.M. TI - Antibacterial activity of different formulations of cheese and whey produced with kefir grains KW - QUEIJO KW - QUEFIR KW - ANALISE BACTERIOLOGICA KW - FERMENTAÇÃO ER -