For citations:
Beketova T.V., Kokosadze N.V. Clinical and immunological variants of ANCA-associated systemic vasculitis: a look at the phenomenon of IgG4 overproduction. Literature review and own observations. Rheumatology Science and Practice. 2020;58(5):550-559. (In Russ.) https://doi.org/10.47360/1995-4484-2020-550-559