Tube-in-tube endoscopic vacuum therapy for the closure o upper gastrointestinal fistulas, leaks, and perforations - Lima, Marcelo Simas de; Uemura, Ricardo Sato; Gusmon-oliveira, Carla Cristina; Pombo, Amanda Aquino de Miranda; Martins, Bruno Costa; Lenz, Luciano; Kawaguti, Fabio Shiguehissa; Paulo, Gustavo Andrade De; Baba, Elisa Ryoka; V, Adriana Safatle-Ribeiro; Ribeiro Junior, Ulysses (Endoscopy, 2022)