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Catalogue of bias: allocation bias


  1. Correspondence to Dr David Nunan, Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford OX2 6GG, UK; david.nunan{at}


Nunan D, Heneghan C, Spencer EA
Catalogue of bias: allocation bias

Publication history

  • Accepted December 1, 2017
  • First published January 24, 2018.
Online issue publication 
January 24, 2018

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