Novel use of a cardiac septal occluder to treat a chronic recalcitrant bariatric fistula after Roux-en-Y gastric bypass - de Moura, Diogo Turiani Hourneaux; Ribeiro, Igor Braga; Funari, Mateus Pereira; Baptista, Alberto; Thompson, Christopher C.; de Moura, Eduardo Guimarães Hourneaux (Endoscopy, 2019)