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COVID-19: some unanswered questions


  1. Correspondence to Dr Philip D Welsby, Retired, Edinburgh EH12 8UB, UK; philipwelsby{at}
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COVID-19: some unanswered questions

Publication history

  • Received April 21, 2020
  • Accepted April 25, 2020
  • First published May 13, 2020.
Online issue publication 
September 02, 2020

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