ZH.R. IBRAGIMOVA, O.I. PIKUZA, R.A. PHAYZULLINA, A.M. ZAKIROVA, T.B. MOROZ City Clinical Hospital № 18, Kazan Kazan State Medical University Ibragimova Zhanna Raphikovna doctor of the children’s service 25-12 Latyshskikh Strelkov Str., Kazan 420087 tel. 8-937-526-15-93, e-mail: pchemka@mail.ru This article analyzes the transformation of the etiological structure of pneumonia in children of preschool age for the […]