For citations:
Shul'zhenko L.V., Bolotova E.V. Efficacy and safety of long-acting beta-2-agonists. PULMONOLOGIYA. 2015;25(1):113-118. (In Russ.) https://doi.org/10.18093/0869-0189-2015-25-1-113-118
Shul'zhenko L.V., Bolotova E.V. Efficacy and safety of long-acting beta-2-agonists. PULMONOLOGIYA. 2015;25(1):113-118. (In Russ.) https://doi.org/10.18093/0869-0189-2015-25-1-113-118