Xiaodong Lin, Xiaoli Wu, Yini Zhang, Xinyi Shao, Hao Wu, and Lingli Zhou. 2023. “Effect of Vitamin D Supplementation on Clinical Course and T Helper 17 T-Regulatory Balance in Peripheral Blood of Patients With Crohn’s Disease”. Turkish Journal of Gastroenterology 34 (5):463-71. https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/4454.