Sinchaothong, Thanet, Sompit Imjai, Jantima Roongruangchai, and Umphaphorn Phornkuntham. “Annular Pancreas in Thais”. Siriraj Medical Journal 58, no. 9 (September 1, 2006): 999–1001. accessed October 12, 2026. https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/245925.