[Frequency of the electrocardiographic signs of chronic cor pulmonale in obstructive chronic emphysema. Study of 332 patients].
D004562:Electrocardiography; D004646:Emphysema; D006801:Humans; D006976:Hypertension, Pulmonary; D011656:Pulmonary Emphysema; D011660:Pulmonary Heart Disease
ELECTROCARDIOGRAPHY; PULMONARY EMPHYSEMA; PULMONARY HEART DISEASE