title: Electrocardiographic precursors of sudden unexpected death: the Framingham Study.
mesh_terms: D003327:Coronary Disease / Q000175:diagnosis*; D003645:Death, Sudden / Q000209:etiology*; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008404:Massachusetts; D011446:Prospective Studies