title: Significance of electrocardiotopography (ECTG) in revealing cor pulmonale in patients with chronic nonspecific pulmonary diseases.
mesh_terms: D002908:Chronic Disease; D004562:Electrocardiography; D006801:Humans; D008171:Lung Diseases / Q000150:complications*; D011660:Pulmonary Heart Disease / Q000150:complications / Q000175:diagnosis*