TO ASSESS THE CONDITION OF THE MYOCARDIUM IN PATIENTS CHRONIC HEART FAILURE ON THE BACKGROUND OF RHEUMATOID ARTHRITIS. Spec. Jour. of Inno. Ref. and Dev. [Internet]. 2022 Jun. 17 [cited 2026 Jan. 30];4:210-5. Available from: https://sjird.journalspark.org/index.php/sjird/article/view/101