Suttinont, C., and S. Luangjaru. “Ulcerative Colitis in Maharat Nakhon Ratchasima Hospital”. Maharat Nakhon Ratchasima Hospital Journal, vol. 32, no. 2, Sept. 2024, pp. 87-94, https://he04.tci-thaijo.org/index.php/MNRHJ/article/view/1885.