Diagnostic Characteristics of Serological-Based COVID-19 Testing: A Systematic Review and Meta-Analysis Diogo Turiani Hourneaux de Moura; Thomas R. McCarty; Igor Braga Ribeiro; Mateus Pereira Funari; Pedro Victor Aniz Gomes de Oliveira; Antonio Afonso de Miranda Neto; Epifânio Silvino do Monte Júnior; Francisco Tustumi; Wanderley Marques Bernardo; Eduardo Guimarães Hourneaux de Moura; Christopher C. Thompson;

Safety and effectiveness of mycophenolate mofetil associated with tacrolimus for liver transplantation immunosuppression: a systematic review and meta-analysis of randomized controlled trials Francisco Tustumi; Antonio Afonso de Miranda; Sérgio Silveira; Felipe Alexandre Fernandes; Miller Barreto de Brito e Silva; Lucas Ernani; Lucas Souto Nacif; Fabricio Ferreira Coelho; Wellington Andraus; Wanderley Marques Bernardo; Paulo Herman; Luiz Augusto Carneiro-D'Albuquerque;

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;