RADIOLOGY AND EMPHYSEMA.
D001249:Asthma; D001991:Bronchitis; D004646:Emphysema; D006801:Humans; D011086:Polycythemia; D011656:Pulmonary Emphysema; D013902:Radiography, Thoracic; D014054:Tomography
ASTHMA; BRONCHITIS; POLYCYTHEMIA; PULMONARY EMPHYSEMA; THORACIC RADIOGRAPHY; TOMOGRAPHY