TY - SER AU - Kowalski,A.P. AU - Maboni,G. AU - Espindola,J.P. AU - Foletto,A. AU - Bandeira Junior,G. AU - Pötter,l. AU - Botton,S.de A. AU - Vargas,A.C.de TI - Temporal profile of antimicrobial resistance exhibited by strains of Staphylococcus spp. isolated from cases of bovine mastitis for 20 years (1992-2011) KW - VACA KW - LEITE KW - MAMITE KW - BIOQUÍMICA KW - DEFESA ANIMAL ER -