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ECG phenomena: alternating QRS morphologies


  1. Correspondence to Dr Christian Paech, Department for Pediatric Cardiology, University of Leipzig—Heart Center, Strümpellstr. 39, Leipzig 04289, Germany, christian.paech{at}
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Paech C, Pfeil N, Gebauer RA
ECG phenomena: alternating QRS morphologies

Publication history

  • Received November 19, 2013
  • Revised December 6, 2013
  • Accepted December 7, 2013
  • First published January 8, 2014.
Online issue publication 
March 05, 2014

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