Endoscopic septotomy for fistula after bariatric surgery - Boghossian, Mateus Bond; Funari, Mateus Pereira; do Monte Junior, Epifanio Silvino; Rocha, Rodrigo Silva de Paula; de Moura, Diogo Turiani Hourneaux; de Souza, Thiago Ferreira; de Moura, Eduardo Guimarães Hourneaux (Endoscopy, 2021)