For citations:
Fomenko А.V., Kuandykova M.V., Sinitsin E.A., Sitinsina E.I. EFFICACY OF THE VEST AIRWAY CLEARANCE SYSTEM EQUIPMENT IN THERAPY OF RESPIRATORY DISEASES. PULMONOLOGIYA. 2011;(1):81-84. (In Russ.) https://doi.org/10.18093/0869-0189-2011-0-1-81-84