For citations:

Plakhova A.O., Sorotskaya V.N., Balabanova R.M. The frequency of Helicobacter pylori infection in patients with rheumatoid arthritis and adult residents of the city of Tula. Rheumatology Science and Practice. 2022;60(4):481-486. (In Russ.) https://doi.org/10.47360/1995-4484-2022-481-486