title: [Etiologic characteristics of severe forms of pneumonia in children].
mesh_terms: D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D011014:Pneumonia / Q000209:etiology*
vernacular_title: Etiologicheskaia kharakteristika tiazhelykh form pnevmoniĭ u deteĭ.