For citations:
Saad E.O., Ananyeva L.P., Alekperov R.T., Novikova D.S., Korsakova Yu.O., Volkov A.V. STRUCTURAL AND FUNCTIONAL CHANGES EVALUATED BY ECHOCARDIOGRAPHY IN PATIENTS WITH SYSTEMIC SCLEROSIS AND HEART RATE VARIABILITY. Rheumatology Science and Practice. 2017;55(1):32-36. (In Russ.) https://doi.org/10.14412/1995-4484-2017-32-36