For citations:
Ovsyannikova O.B., Ananyeva L.P., Lesnyak V.N., Koneva O.A., Starovoitova M.N., Desinova O.V. CHANGES OF ACTIVITY INDEX AND TOTAL SEVERITY INDEX IN PATIENTS WITH SYSTEMIC SCLEROSIS AND INTERSTITIAL LUNG DISEASE OVER A 5-YEAR FOLLOW-UP PERIOD. Rheumatology Science and Practice. 2016;54(3):312-317. (In Russ.) https://doi.org/10.14412/1995-4484-2016-312-317