lamjitsopa, Suchana, Vicha Tunsiri, and Tharathorn Durongbhandhu. 2021. “The Diagnostic Accuracy of Lintula, RIPASA and Alvarado Scoring Systems for Diagnosis of Acute Appendicitis”. Thai Journal of Emergency Medicine 2 (2). Bangkok, Thailand:37-50. https://he02.tci-thaijo.org/index.php/TJEM/article/view/250975.