title: Direct relationship between the body's copper/zinc ratio, ventricular premature beats, and sudden coronary death.
mesh_terms: D000328:Adult; D001145:Arrhythmias, Cardiac / Q000209:etiology* / Q000517:prevention & control; D003300:Copper / Q000378:metabolism* / Q000627:therapeutic use; D003327:Coronary Disease / Q000401:mortality; D003645:Death, Sudden / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D015032:Zinc / Q000378:metabolism*
chemical_list: D003300:Copper; D015032:Zinc