Characteristics of the intimin produced by attaching and effaccing Escherichia coli(AEEC)among diarrheic dogs as detected by the polymerase chain reaction (PCR) in the state of São Paulo, Brazil - Nakazato, G; Aidar, L; Penteado , A S; Trabulsi, L R; Castro, Antonio Fernando Pestana de (General Meeting, 2000)