YUEN, A. Validation of the APPEND clinical decision tool for the diagnosis of acute appendicitis . International Surgery Journal, [S. l.], v. 12, n. 4, p. 534–538, 2025. DOI: 10.18203/2349-2902.isj20250811. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/11104. Acesso em: 25 oct. 2025.