For citations:
Gorbenko P.P., Zilber N.A., Ignatyeva M.N. Cold air hyperventilation challenge in chronic non-specific pulmonary disease. PULMONOLOGIYA. 1991;(4):30-34. (In Russ.)
Gorbenko P.P., Zilber N.A., Ignatyeva M.N. Cold air hyperventilation challenge in chronic non-specific pulmonary disease. PULMONOLOGIYA. 1991;(4):30-34. (In Russ.)