RESTREPO, G L AIR TRAPPING IN CHRONIC BRONCHITIS AND EMPHYSEMA: MEASUREMENTS OF THE BRONCHIAL CARTILAGE. [electronic resource] - The American review of respiratory disease Sep 1964 - 395-400 p. digital Publication Type: Journal Article ISSN: 0003-0805 Standard No.: 10.1164/arrd.1964.90.3.395 doi Subjects--Topical Terms: BronchiBronchitisBronchitis, ChronicCartilageEmphysemaHistological TechniquesHumansPulmonary EmphysemaTrachea