For citations:

Sokol EV, Cherkasova MV, Torgashina AV. The diagnostic value of serum IgG4 for the diagnosis of IgG4-related disease: and is that so great? Sovremennaya Revmatologiya=Modern Rheumatology Journal. 2019;13(1):52-57. https://doi.org/10.14412/1996-7012-2019-1-52-57