For citations:
Aysanov Z.R., Chernyak A.V., Kalmanova E.N. Spirometry for diagnosis and therapeutic efficacy evaluation in chronic obstructive pulmonary disease in primary care. PULMONOLOGIYA. 2014;(5):101-110. (In Russ.) https://doi.org/10.18093/0869-0189-2014-0-5-101-110