For citations:
Krichevskaya OA, Gandaloeva ZM, Demina AB, Glukhova SI, Dubinina TV. Back pain and functional status in patients with ankylosing spondylitis during pregnancy. Sovremennaya Revmatologiya=Modern Rheumatology Journal. 2019;13(4):26-35. https://doi.org/10.14412/1996-7012-2019-4-26-35