title: Bronchial lability in cystic fibrosis.
mesh_terms: D000293:Adolescent; D001249:Asthma / Q000503:physiopathology; D001982:Bronchial Diseases / Q000150:complications*; D002648:Child; D002675:Child, Preschool; D003550:Cystic Fibrosis / Q000150:complications* / Q000503:physiopathology; D006801:Humans; D008171:Lung Diseases / Q000150:complications; D005082:Physical Exertion; D012123:Pulmonary Ventilation; D013902:Radiography, Thoracic; D013147:Spirometry; D013223:Statistics as Topic