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;

Successful management through laparoscopic-assisted antegrade enteroscopy of duodenal perforation caused by a wire bristle: A case report H. Cedrón Cheng; J. Aliaga Ramos; F. Camacho Zacarias;