Thompson A B, Rennard S I
Section of Pulmonary and Critical Care Medicine, University of Nebraska Medical School, University of Nebraska Medical Center, Omaha.
Clin Chest Med. 1988 Dec;9(4):635-42.
Pathologic correlations and examination of expectorated sputum have suggested that chronic bronchitis is an inflammatory disorder of the airways. Bronchoscopy and bronchoalveolar lavage provide a means for sampling airway epithelial lining fluid. Application of bronchoscopy and bronchoalveolar lavage to a group of patients with chronic bronchitis confirms the association of airways inflammation and chronic bronchitis.