For citations:
Rajkovic M.S., Chuelov S.B., Pylaeva S.K., Saveleva D.D., Chernysheva A.A., Rossina A.L., Sayfullin M.A., Slatetskaya A.N., Tsimbalova E.G., Petryaykina E.E., Shamsheva O.V. COVID-19 in children with chronic digestive system pathology. Experimental and Clinical Gastroenterology. 2025;(1):21-31. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-233-1-21-31