High occurrence of Fusobacterium nucleatum and Clostridium difficile in the intestinal microbiota of colorectal carcinoma patients - Fukugaiti, Márcia H.; Ignacio, Aline; Fernandes, Miriam Rodriguez; Ribeiro Júnior, Ulysses; Nakano, Viviane; Avila-Campos, Mario Julio (Brazilian Journal of Microbiology, 2015)