title: Variant angina: case reports and critique.
mesh_terms: D000328:Adult; D000787:Angina Pectoris / Q000175:diagnosis*; D000790:Angiocardiography; D001145:Arrhythmias, Cardiac / Q000209:etiology; D001157:Arterial Occlusive Diseases / Q000209:etiology / Q000473:pathology; D002908:Chronic Disease; D017023:Coronary Angiography; D003331:Coronary Vessels / Q000473:pathology; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005080:Exercise Test; D005260:Female; D006327:Heart Block / Q000209:etiology; D006331:Heart Diseases / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000209:etiology; D013610:Tachycardia / Q000209:etiology