title: [Diagnostic significance of the esophageal ECG lead in chronic ischemic heart disease].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D003327:Coronary Disease / Q000175:diagnosis*; D004562:Electrocardiography / Q000379:methods*; D004566:Electrodes; D004947:Esophagus; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
vernacular_title: Diagnosticheskoe znachenie pishchevodnogo otvedeniia EKG pri khronicheskoĭ ishemicheskoĭ bolezni serdtsa.