For citations:
Vavilova N.V., Klyachkin L.M., Perelman Yu.M. Forecasting physical capacity in patients with chronic bronchitis. PULMONOLOGIYA. 1991;(4):20-23. (In Russ.)
Vavilova N.V., Klyachkin L.M., Perelman Yu.M. Forecasting physical capacity in patients with chronic bronchitis. PULMONOLOGIYA. 1991;(4):20-23. (In Russ.)