Uspenskiy, Y., Ivanov, S., Fominykh, Y., Segal, A. and Magomedova, A. 2023. FEATURES OF THE COMPLICATED COURSE AND EXTRAINTESTINAL MANIFESTATIONS OF INFLAMMATORY BOWEL DISEASES. University therapeutic journal. 5, 2 (Dec. 2023), 68-83. DOI:https://doi.org/10.56871/UTJ.2023.72.18.006.