NIGAM, V. K.; NIGAM, S. Nigam’s scoring system: a reliable and accurate scoring system to diagnose acute appendicitis . International Surgery Journal, [S. l.], v. 12, n. 3, p. 326–332, 2025. DOI: 10.18203/2349-2902.isj20250563. Disponível em: https://www.ijsurgery.com/index.php/isj/article/view/10901. Acesso em: 13 oct. 2025.