Frequency and role of coronary artery spasm in heart disease.
D000787:Angina Pectoris / Q000209:etiology*; D017023:Coronary Angiography; D003329:Coronary Vasospasm / Q000150:complications*; D003645:Death, Sudden / Q000209:etiology; D006801:Humans; D009203:Myocardial Infarction / Q000209:etiology*