@article{Gaysaev2020clinical, author={Gaysaev, M.O. and Gancgorn, E.V.}, title={CLINICAL CASE: CHRONIC BRONCHITIS AS A RISK FACTOR FOR UNCONTROLLED BRONCHIAL ASTHMA}, journal={Clinical Medicine and Pharmacology}, publisher={LLC Information and publishing center Innovations and investments}, year={2020}, pages={43-47}, volume={6}, issue={1}, }