@article{Malyshenko2019comorbidity,
author={Malyshenko, O.S. and Raskina, T.A. and Pirogova, O.A.},
title={COMORBIDITY IN ANKYLOSING SPONDYLITIS},
journal={Clinical Medicine and Pharmacology},
publisher={LLC Information and publishing center Innovations and investments},
year={2019},
pages={9-13},
volume={4},
issue={4},
}