For citations:

Avdeeva A.S., Denisov L.N., Nasonov E.L. EUROPEAN CONGRESS OF RHEUMATOLOGY (MADRID, 12–15 JUNE 2013): PROBLEMS ON RHEUMATOID ARTHRITIS. Rheumatology Science and Practice. 2013;51(5):590-597. (In Russ.) https://doi.org/10.14412/1995-4484-2013-1554