Correlation of the location of coronary arterial spasm with the lead distribution of ST segment elevation during variant angina.
D000787:Angina Pectoris / Q000503:physiopathology*; D000788:Angina Pectoris, Variant / Q000503:physiopathology*; D003331:Coronary Vessels / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008875:Middle Aged; D013035:Spasm / Q000503:physiopathology*