title: Transient electrocardiographic changes in patients with unstable angina: relation to coronary arterial anatomy.
mesh_terms: D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000175:diagnosis*; D003331:Coronary Vessels / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D013997:Time Factors