title: Coronary heart disease without risk factors.
mesh_terms: D001157:Arterial Occlusive Diseases / Q000209:etiology; D003327:Coronary Disease / Q000150:complications / Q000209:etiology*; D006801:Humans; D007383:Intermittent Claudication / Q000209:etiology; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D013348:Subclavian Artery