For citations:
Tarasova D.D., Shilova L.N., Korolyova M.V., Korenskaya E.G., Feoktistova A.V. Ulcerative colitis in combination with ankylosing spondylitis: clinical case. Experimental and Clinical Gastroenterology. 2020;183(11):147-150. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-183-11-147-150