For citations:
Sycheva T.V., Perelman J.M. Predicting the risk of frequent exacerbations in patients with chronic obstructive pulmonary disease. Bulletin Physiology and Pathology of Respiration. 2025;(98):68-74. (In Russ.) https://doi.org/10.36604/1998-5029-2025-98-68-74






















