Enterotoxigenic Escherichia coli CS21 pilus contributes to adhesion to intestinal cells and to pathogenesis under in vivo conditions - Guevara, C. P.; Luiz, Wilson Barros; Sierra, A.; Cruz, C.; Qadri, F.; Kaushik, R. S.; Ferreira, Luís Carlos de Souza; Gómez-Duarte, O. G. (Microbiology, 2013)