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Twenty-five years ago


  1. Correspondence to Dr Ivan Barry Pless, Retired, Westmount, QC H3Y2V2, Canada; barry.pless{at}
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Pless IB, Smith R, Williamson A, et al
Twenty-five years ago

Publication history

  • Received November 2, 2020
  • Accepted November 2, 2020
  • First published November 20, 2020.
Online issue publication 
November 20, 2020

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