[Problems in chronic bronchitis. II. Cor pulmonale in chronic bronchitis].
D001249:Asthma; D001991:Bronchitis; D029481:Bronchitis, Chronic; D002908:Chronic Disease; D004562:Electrocardiography; D006801:Humans; D011656:Pulmonary Emphysema; D011660:Pulmonary Heart Disease; D013147:Spirometry
ASTHMA; BRONCHITIS; ELECTROCARDIOGRAPHY; PULMONARY EMPHYSEMA; PULMONARY HEART DISEASE; SPIROMETRY