For citations:

Visel A.A., Pronina E.Yu., Visel I.Yu., Yunusova M.A. Effect of long-term treatment with fenspiride (Erespal) on clinical and functional status of patients with chronic obstructive lung disease. PULMONOLOGIYA. 2005;(6):92-94. (In Russ.) https://doi.org/10.18093/0869-0189-2005-0-6-92-94