Endoscopic submucosal dissection for superficial gastric neoplasias in two referral hospitals in Brazil: Can the Japanese and South Korean results be equaled? V. Arantes; J. Aliaga Ramos; M.S. Pedrosa;

Unusual hemostatic endoclip retention over a period of 5 years V. Arantes; J. Aliaga Ramos;

Colorectal adenocarcinoma in children and adolescents R. Bigliardi; M. Morici; G. Messere; G. Ortiz; J. Fernandez; A. Varela; J. Vidal; F. Diaz; J. Salas; M.C. Riccheri;