title: Multivessel coronary spasm without electrocardiographic changes.
mesh_terms: D000787:Angina Pectoris / Q000503:physiopathology; D000790:Angiocardiography; D003329:Coronary Vasospasm / Q000503:physiopathology*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged