title: AIR TRAPPING IN CHRONIC BRONCHITIS AND EMPHYSEMA: MEASUREMENTS OF  THE BRONCHIAL CARTILAGE.
mesh_terms: D001980:Bronchi; D001991:Bronchitis; D029481:Bronchitis, Chronic; D002356:Cartilage; D004646:Emphysema; D006652:Histological Techniques; D006801:Humans; D011656:Pulmonary Emphysema; D014132:Trachea
keywords: BRONCHI; BRONCHITIS; CARTILAGE; HISTOLOGICAL TECHNICS; PULMONARY EMPHYSEMA