Kiatpadungkul, Wilaiporn. “Results of Esophagogastroduodenoscopy for Upper Gastrointestinal Bleeding Sikhiu Hospital Nakhon Ratchasima”. Maharat Nakhon Ratchasima Hospital Journal 39, no. 2 (August 15, 2024): 85–90. accessed April 6, 2025. https://he04.tci-thaijo.org/index.php/MNRHJ/article/view/1530.