Toru SHIZUMA, et al. “Therapeutic Effects of Four Molecular-Weight Fractions of Kurozu Against Dextran Sulfate Sodium-Induced Experimental Colitis”. Turkish Journal of Gastroenterology, vol. 22, no. 4, July 2019, pp. 376-81, https://tjg.avesjournals.com/index.php/tjg/article/view/2501.