to determine what bal volume samples airway cells in patients with ild we measured the proportion of bronchial epithelial cells ( becs ) in four successive 25 ml aliquots in a single lung subsegment in 23 patients with ild ( cryptogenic fibrosing alveolitis ( cfa ) four , rheumatoid lung ( rl ) three , asbestosis ( asb ) 11 , sarcoidosis ( sarc ) five ) .
C0024109
lung
C1800706
cryptogenic fibrosing alveolitis