title: [Causes of chronic brochitis in children].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001987:Bronchiectasis / Q000150:complications; D001991:Bronchitis / Q000209:etiology*; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D006801:Humans; D015619:Respiratory System Abnormalities; D014777:Virus Diseases / Q000150:complications
vernacular_title: Próba ustalenia przyczyn przewlekłego zapalenia oskrzeli u dzieci.