title: ["Double tracing" and the characteristics of the ECG changes in the ST segment under physical loading in stenocardia].
mesh_terms: D000787:Angina Pectoris / Q000503:physiopathology*; D003327:Coronary Disease / Q000503:physiopathology; D004562:Electrocardiography; D005080:Exercise Test; D005260:Female; D006801:Humans; D008297:Male; D010807:Physical Endurance; D012737:Sex Factors
vernacular_title: "Dvoĭnoe proizvedenie" i osobennosti izmeneniĭ segmenta ST EKG pri fizicheskoĭ nagruzke u bol'nykh stenokardieĭ.