For citations:
Velichkovsky V.T. Ways to "keep the population" and the role of respiratory diseases for resolution of this problem. PULMONOLOGIYA. 2007;(3):5-9. (In Russ.) https://doi.org/10.18093/0869-0189-2007-0-3-5-9
Velichkovsky V.T. Ways to "keep the population" and the role of respiratory diseases for resolution of this problem. PULMONOLOGIYA. 2007;(3):5-9. (In Russ.) https://doi.org/10.18093/0869-0189-2007-0-3-5-9