A Comparative Study of Alvarado Score with Abdominal Ultrasound for Preoperative Diagnosis of Acute Appendicitis. World Journal of Current Medical and Pharmaceutical Research, India, v. 8, n. 3, p. 247–250, 2026. DOI: 10.37022/wjcmpr.v8i3.464. Disponível em: https://wjcmpr.org/index.php/journal/article/view/464. Acesso em: 5 nov. 2026.