For citations:

Petrov A.V., Gaffarova A.S. Assessment of severity and pattern of irreversible organ damage in patients with systemic lupus erythematosus and systemic scleroderma. Medical alphabet. 2019;1(18):30-33. (In Russ.) https://doi.org/10.33667/2078-5631-2019-1-18(393)-30-33