For citations:
Struchkov P.V., Kameneva M.Yu., Manichev I.A., Chserbitskiy V.G., Rudnikova N.A., Bondarenko N.L., Potemkin A.V., Borisova O.E. Methodical approaches to the early diagnosis of bronchial obstruction. Medical alphabet. 2018;4(36):23-28. (In Russ.)