For citations:

Krichevskaya O.A., Vakulenko O.Yu., Goryachev D.V., Erdes Sh.F. SOME APPROACHES TO QUANTITATIVE EVALUATION OF REDUCED PRODUCTIVITY IN SUBJECTS WITH RHEUMATIC DISEASES. Rheumatology Science and Practice. 2012;50(5):90-97. (In Russ.) https://doi.org/10.14412/1995-4484-2012-1188