Preciado Aponte, J. A.; Álvarez Almanza, E. A.; Suárez Angarita, E. J.; Concha Mejía, A.; Ardila Báez, M. A. Efficacy and Safety of Endoscopic Clousure of Gastrointestinal Fistulas Using a New Endoscopic Suturing System (X-Tack) in Colombia: A Case Series. ACTA 2026, 56, 243-247.