For citations:

Shayakhmetova RU, Ananyeva LP. Positivity for antiribonucleoprotein antibodies in rheumatic diseases: focus on scleroderma systematica. Sovremennaya Revmatologiya=Modern Rheumatology Journal. 2017;11(4):48-55. (In Russ.) https://doi.org/10.14412/1996-7012-2017-4-48-55