title: Coronary arterial spasm and provocative testing in ischemic heart disease.
mesh_terms: D000788:Angina Pectoris, Variant / Q000209:etiology; D003327:Coronary Disease / Q000175:diagnosis* / Q000209:etiology; D003331:Coronary Vessels / Q000503:physiopathology*; D004874:Ergonovine; D006801:Humans; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000503:physiopathology; D009203:Myocardial Infarction / Q000209:etiology
chemical_list: D004874:Ergonovine