Evaluation of l-cell activity in the small intestine according to the extension of the biliopancreatic loop in patients undergoing Roux-en-Y gastric by-pass Priscila Costa Estabile; Márcia Saldanha Kubrusly; Robson Kiyoshi Ishida; André Bubna Hirayama; Roberto de Cleva; Marco Aurelio Santo;

Effects of diet-induced weight loss and Roux-en-Y gastric bypass on the glycemic and gut hormones profile in patients with severe obesity and diabetes Andréa de Fátima Cristino Bastos Crespo; Leila Antoangelo; Priscila Costa Estabile; Roberto de Cleva; Marco Aurelio Santo;

Impact of COVID-19 pandemic on the surgical treatment of gastric cancer Amanda Juliani Arneiro; Marcus Fernando Kodama Pertille Ramos; Marina Alessandra Pereira; André Roncon Dias; Bruno Zilberstein; Ulysses Ribeiro; Sergio Carlos Nahas;