title: [Characteristics of the atrial portion of the ECG in an esophageal lead in patients with painful and painless variants of atherosclerotic cardiosclerosis].
mesh_terms: D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000175:diagnosis*; D002908:Chronic Disease; D003327:Coronary Disease / Q000175:diagnosis*; D004562:Electrocardiography / Q000379:methods*; D004566:Electrodes; D004947:Esophagus; D005260:Female; D006325:Heart Atria; D006801:Humans; D008297:Male; D008875:Middle Aged
vernacular_title: Kharakteristika predserdnoĭ chasti EKG v pishchevodnom otvedenii u bol'nykh boelvym i bezbolevym variantami ateroskleroticheskogo kardioskleroza.