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  1. Correspondence to Luiz Vicente Rizzo, Av Albert Einstein 627/701, Morumbi São Paulo, SP, Brazil, CEP 05652-000, lvrizzo{at}
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Rizzo LV, Vallochi AL, Belfort R, et al
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Publication history

  • Accepted November 20, 2011
  • First published December 18, 2011.
Online issue publication 
April 16, 2012

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