Simplified magnetic anchor-guided endoscopic submucosal dissection: an ex vivo porcine model M.Á. Ramírez-Ramírez; Y. Zamorano-Orozco; E.G. Beltrán-Campos;

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;