For citations:
Lapteva I.M., Lavor Z.V., Surkova L.K., Zubovich G.L., Ponochevnaja N.V., Poleshuk N.N. Diagnostic criterions for severity of bronchial obstruction and methods of its correction in patients with bronchial asthma and chronic bronchitis. PULMONOLOGIYA. 1996;(2):41-44. (In Russ.)