For citations:
Malaeva V.V., Khairzamanova T.A., Pochekutova I.A., Kulakov Yu.V., Kryizhanovsky S.P., Guseva L.G., Ogay L.A., Kucherenko V.Yu., Khomenko E.G., Nosachev S.V., Korenbaum V.I. Spirographic and acoustic screening of bronchial obstruction in middle-aged working people. Pacific Medical Journal. 2011;(2):53-55. (In Russ.)