For citations:

Goryachev D.V., Erdes Sh.F., Goryachev D.V., Erdes Sh.F. The time to trade-off method versus the EQ-5D index to determine health utility in patients with rheumatoid arthritis. Rheumatology Science and Practice. 2010;48(6):86-89. (In Russ.) https://doi.org/10.14412/1995-4484-2010-829