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;

Evaluation of pH and residual gastric volume after colon preparation with mannitol: prospective randomized study comparing procedure performed after 3 hours versus 6 hours Renzo Feitosa Ruiz; Jose Jukemura; Paulo Roberto Arruda Alves; Marcos Eduardo Lera dos Santos;

Real-world evidence of health outcomes and medication use 24 months after bariatric surgery in the public healthcare system in Brazil: a retrospective, single-center study Denis Pajecki; Flavio Kawamoto; Anna Carolina Batista Dantas; Priscila Caldeira Andrade; Nissia Capello Brasil; Silvio Mauro Junqueira; Fernanda Maria Pirozelli de Oliveira; Rodrigo Antonini Ribeiro; Marco Aurelio Santo;