title: [Classification of chronic nonspecific diseases of the respiratory organs in children].
mesh_terms: D002648:Child; D002908:Chronic Disease; D006801:Humans; D012140:Respiratory Tract Diseases / Q000145:classification*
vernacular_title: K voprsu o klassifikatsii khronicheskikh nespetsificheskikh zabolevaniĭ organov dykhaniia u deteĭ.