For citations:
Avdeev S.N., Nenasheva N.M., Zhudenkov K.V., Petrakovskaya V.A., Izyumova G.V. Prevalence, morbidity, phenotypes and other characteristics of severe bronchial asthma in Russian Federation. PULMONOLOGIYA. 2018;28(3):341-358. (In Russ.) https://doi.org/10.18093/0869-0189-2018-28-3-341-358