title: [Classification of chronic and recurring pulmonary diseases in children].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008171:Lung Diseases / Q000145:classification*; D011014:Pneumonia / Q000145:classification*; D011658:Pulmonary Fibrosis / Q000145:classification*; D012008:Recurrence
vernacular_title: K probleme klassifikatsii khronicheskikh i retsidiviruiushchikh zabolevaniĭ legkikh u deteĭ.