title: Provocative testing for coronary arterial spasm: risk, method and rationale.
mesh_terms: D000792:Angiography; D001145:Arrhythmias, Cardiac / Q000209:etiology; D003327:Coronary Disease / Q000175:diagnosis* / Q000628:therapy; D004562:Electrocardiography; D004874:Ergonovine; D006801:Humans; D008722:Methods; D012306:Risk; D013035:Spasm / Q000175:diagnosis
chemical_list: D004874:Ergonovine