For citations:

Zhukov S.S., Malievsky V.A., Nizhevich A.A. Gut microbiota and methotrexate in children with juvenile idiopathic arthritis. Experimental and Clinical Gastroenterology. 2023;(7):119-124. (In Russ.) https://doi.org/10.31146/1682-8658-ecg-215-7-119-124