Karimov Doston Rustam oglu and Zakirova Bakhora Islamovna (2026) “THE IMPACT OF VITAMIN D DEFICIENCY ON THE CLINICAL COURSE AND SEVERITY OF ULCERATIVE COLITIS IN CHILDREN”, Journal of Applied Science and Social Science, 16(4), pp. 1382–1384. Available at: https://www.internationaljournal.co.in/index.php/jasass/article/view/4235 (Accessed: 22 June 2026).