For citations:

Markovskaya A.I., Potapova N.L., Gaymolenko I.N. Evolution of bronchial obstruction pattern in children of presсhool age. Bulletin Physiology and Pathology of Respiration. 2021;(80):57-65. (In Russ.) https://doi.org/10.36604/1998-5029-2021-80-57-65