[Electrocardiographic studies in chronic cor pulmonale with special reference to different types of EKG].
D001249:Asthma; D001991:Bronchitis; D004562:Electrocardiography; D006333:Heart Failure; D006801:Humans; D006976:Hypertension, Pulmonary; D011656:Pulmonary Emphysema; D011660:Pulmonary Heart Disease
ASTHMA; BRONCHITIS; ELECTROCARDIOGRAPHY; HEART FAILURE, CONGESTIVE; PULMONARY EMPHYSEMA