A DNA vaccine encoding the enterohemorragic Escherichia coli shiga-like toxin 2 'A ind.2' and B subunits confers protective immunity to shiga toxin challenge in the murine model - Bentancor, Letícia V.; Bilen, Marcos; Brando, Romina J Fernández; Ramos, María Victoria; Ferreira, Luís Carlos de Souza; Ghiringhelli, Pablo D; Palermo, Marina S (Clinical Vaccine Immunology, 2009)