C, Thongsujaritkul, Sutham K, Wittayachammankul B, Chenthanakij B, and Tangsuwanaruk T. “Prognostic Indices of Upper Gastrointestinal Bleeding in Patients in the Emergency Department”. Biomedical Sciences and Clinical Medicine 60, no. 3 (July 1, 2021): 291–302. Accessed May 10, 2024. https://he01.tci-thaijo.org/index.php/CMMJ-MedCMJ/article/view/247217.