What are The Sensitivity, Specificity, and Positive Predictive Value of Ultrasound for Diagnosing Acute Appendicitis in Pediatric Patients? : A Systematic Review. The Indonesian Journal of General Medicine, [S. l.], v. 41, n. 1, p. 192–251, 2026. DOI: 10.70070/j3hcd109. Disponível em: https://indonesianjournalmedicine.org/index.php/ijgm/article/view/387.. Acesso em: 21 oct. 2026.