TY - SER AU - Aragão,A.Z.B. AU - Teocchi,M.A. AU - Fregolente,M.C.D. AU - Gatti,M.S.V. AU - Pires,A.V. AU - Yano,T. TI - Colibacillosis in lambs is associated to type I heat-stable enterotoxin in a farm in São Paulo state, Brazil KW - CARNEIRO KW - ESCHERICHIA COLI KW - COLIBACILOSE KW - SÃO PAULO ER -