Piriyanon, P., Intarakhao, S., Kulalert, P. and Maholarnkij, S. (2022) “Use of Alarm Symptoms to Discriminate Abdominal Pain Related to Organic GI Diseases from Functional Gastrointestinal Disorders”, Science & Technology Asia, 27(1), pp. 67–73. available at: https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/205355 (accessed: 27 August 2026).