For citations:
Pertseva T.A., Gashinova E.Yu., Guba Yu.V. . PULMONOLOGIYA. 2013;(2):81-84. (In Russ.) https://doi.org/10.18093/0869-0189-2013-0-2-81-84
Pertseva T.A., Gashinova E.Yu., Guba Yu.V. . PULMONOLOGIYA. 2013;(2):81-84. (In Russ.) https://doi.org/10.18093/0869-0189-2013-0-2-81-84