title: [Electrocardiographic and vectoracardiographic research in chronic corpulmonale].
mesh_terms: D003935:Diagnostic Techniques, Cardiovascular; D004562:Electrocardiography; D006801:Humans; D011660:Pulmonary Heart Disease / Q000175:diagnosis*; D012106:Research; D014672:Vectorcardiography
keywords: ELECTROCARDIOGRAPHY; PULMONARY HEART DISEASE/diagnosis; VECTORCARDIOGRAPHY