For citations:
Chuchalin A.G., Osipova G.L., Egorova N.B., Efremova V.N., Kaverina K.G., Kurbatova E.A., Kusmina L.A. Controlled studies of the polycomponent vaccina efficiency during immunotherapy in patients with chronic obstructive pulmonary diseases. PULMONOLOGIYA. 1995;(2):55-61. (In Russ.)