For citations:

Baranova T.A., Knyazev O.V., Tishaeva I.A. Modern principles of severe ulcerative colitis attack therapy: from simple to complex. Experimental and Clinical Gastroenterology. 2022;(9):268-275. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-205-9-268-275