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Letter in reply to John Langley’s
  1. Dr Etienne Krug, Av Appia, 1211 Geneva, Switzerland; kruge{at}who.int
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Krug E, Arias I
Letter in reply to John Langley’s

Publication history

  • Accepted August 13, 2008
  • First published October 3, 2008.
Online issue publication 
October 03, 2008

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