title: Left axis deviation. An electrocardiographic mortality study.
mesh_terms: D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology; D006331:Heart Diseases / Q000175:diagnosis* / Q000401:mortality; D006801:Humans; D007352:Insurance, Life; D008297:Male; D008722:Methods; D009026:Mortality