TY - SER AU - Takagi,M. AU - Amorim,C.R.N. AU - Ferreira,H. AU - Yano,T. TI - Virulence related characteristics of Escherichia coli from sows with mastitis-Metritis-Agalactia (MMA)syndrome KW - Bacteria Patogenica KW - Mamite KW - SUÍNO KW - Patogenicidade ER -