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“Like a sound and its echo”
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Authors

  1. Correspondence to Dr Piotr Szymański, Echocardiographic Laboratory, Valvular Heart Disease Department, Institute of Cardiology, Alpejska 42, Warszawa 04-628, Poland; p.szymanski{at}ikard.pl
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Citation

Szymański P, Lipczyńska M, Klisiewicz A, et al
“Like a sound and its echo”
Heart 2014;100:83.

Publication history

  • Received September 5, 2013
  • Revised September 7, 2013
  • Accepted September 9, 2013
  • First published December 6, 2013.
Online issue publication 
October 25, 2017

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