For citations:

Komelyagina E.G., Nikishina I.P., Komelyagina E.G., Nikishina I.P. Pathology of upper gastrointestinal tract in children with Juvenile arthritis. Rheumatology Science and Practice. 2007;45(2):64-70. (In Russ.) https://doi.org/10.14412/1995-4484-2007-840