For citations:
Novikov K.Yu., Sakharova G.M., Chuchalin A.G. Respiratory status in chronic bronchitis patients under smoking cessation. PULMONOLOGIYA. 2002;(4):78-81. (In Russ.)
Novikov K.Yu., Sakharova G.M., Chuchalin A.G. Respiratory status in chronic bronchitis patients under smoking cessation. PULMONOLOGIYA. 2002;(4):78-81. (In Russ.)