title: The role of coronary artery spasm in unstable angina pectoris.
mesh_terms: D000788:Angina Pectoris, Variant / Q000209:etiology; D000792:Angiography; D017023:Coronary Angiography; D003326:Coronary Circulation; D003329:Coronary Vasospasm / Q000175:diagnosis / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000000981:diagnostic imaging; D006339:Heart Rate; D006801:Humans; D008875:Middle Aged; D009206:Myocardium / Q000378:metabolism; D010101:Oxygen Consumption; D011868:Radioisotopes; D011877:Radionuclide Imaging; D013793:Thallium
chemical_list: D011868:Radioisotopes; D013793:Thallium