title: [ECG and polycardiography in the diagnosis of chronic cor pulmonale].
mesh_terms: D002908:Chronic Disease; D004562:Electrocardiography; D006801:Humans; D010690:Phlebography; D010701:Phonocardiography; D011651:Pulmonary Artery / Q000000981:diagnostic imaging; D011660:Pulmonary Heart Disease / Q000175:diagnosis*
vernacular_title: Elektrokardiografia i polikardiografia w rozpoznawaniu przewlekłego serca płucnego.