Pérez Abarca, Felipe, Catalina Cortés Cuello, José Ignacio Portgas Arriagada, María Yustiz Aparicio, and Dayana Fernández Betancourt. “Hospital Discharge Rate for Umbilical Hernia With Without Gangrene Between 2020 And 2023 in Chile”. Revista Confluencia 8 (August 18, 2025). Accessed April 10, 2026. https://revistas.udd.cl/index.php/confluencia/article/view/1351.