For citations:
Lokhmatov M.M., Budkina T.N., Khavkin A.I., Tupylenko A.V., Oldakovsky V.I. Draft clinical guidelines for endoscopic diagnosis of ulcerative colitis in children. Experimental and Clinical Gastroenterology. 2022;(1):87-98. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-197-1-87-98