For citations:
Furman E.G., Ponomareva M.S., Yarulina A.M., Koryukina I.P., Abdullaev A.R. Lung function assessment using the interrupter technique in infants and preschool children. PULMONOLOGIYA. 2009;(1):55-58. (In Russ.) https://doi.org/10.18093/0869-0189-2009-0-1-55-58