[Most common causes of obstruction of the lower respiratory tract in children].
D000293:Adolescent; D001991:Bronchitis / Q000209:etiology*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn
O naibolee chastykh prichinakh obstruktsii nizhnikh dykhatel'nykh puteĭ u deteĭ.