Prevalence of HEP-2 CELL-ADHERENT Escherichia coli and characterization of enteroaggregative E.coli and chain-like adherent E.coli isolated from children with and without diarrhea, in Londrina, Brazil - Trabulsi, Luiz Rachid; Elias Jr, W P; Amaral, T A T G; Gioppo, N M R; Pelayo, J S; Saridakis, H O; Linhares, R E; Vidotto, M C (Congresso de Microbiologia, 2001)