Villegas-Arenas, Dolly, Connie Alejandra Echandia-Villegas, and Carlos Armando Echandía-Alvarez. “Usefulness of the Alvarado Scale in Pediatric Patients With Abdominal Pain at the University Hospital of Valle Del Cauca, Colombia ”. Universidad y Salud 27, no. 1 (January 13, 2025): e7435. Accessed April 15, 2026. https://revistas2.udenar.edu.co/index.php/usalud/article/view/7435.