Sangsasri, Vana, Sasitorn Sirisalipoch, Sutep Gonlachanvit, and Tawatchai Chaiwatanarat. “Accuracy of esophageal scintigraphy for evaluation of esophageal motility disorders”. Chulalongkorn Medical Journal 58, no. 2 (September 1, 2023). accessed September 11, 2026. https://he05.tci-thaijo.org/index.php/CMJ/article/view/640.