[Clinical electrocardiography in Hungary].
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István
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D004562:Electrocardiography / Q000266:history* / Q000295:instrumentation; D005858:Germany; D049673:History, 20th Century; D006801:Humans; D006814:Hungary; D018156:Journalism, Medical / Q000266:history; D009203:Myocardial Infarction / Q000175:diagnosis / Q000266:history*; D006113:United Kingdom; D014481:United States