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Letter to the Editor
Shamrock sign: inadvertently inverted


  1. Correspondence to Dr Jens Børglum, Department of Anesthesiology and Intensive Care Medicine, Zealand University Hospital, Roskilde 4000, Denmark; jens.borglum{at}


Nielsen MV, Bendtsen TF, Børglum J
Shamrock sign: inadvertently inverted

Publication history

  • Received February 17, 2019
  • Accepted February 20, 2019
  • First published March 30, 2019.
Online issue publication 
May 17, 2019

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