For citations:
Shmelev E.I., Khmelkova M.A., Grineva Z.O. Results of long-term treatment with short-acting bronchodilators of patients with chronic obstructive pulmonary disease (COPD) and COPD combined with asthma. PULMONOLOGIYA. 2005;(2):101-106. (In Russ.) https://doi.org/10.18093/0869-0189-2005-0-2-101-106