Coronary spasm and pharmacoangiographic tests.
D000787:Angina Pectoris / Q000175:diagnosis* / Q000209:etiology; D003251:Constriction, Pathologic; D017023:Coronary Angiography; D003331:Coronary Vessels; D004562:Electrocardiography; D004874:Ergonovine; D006801:Humans
D004874:Ergonovine