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How to spot bias and other potential problems in randomised controlled trials
  1. Correspondence to:
 Dr Steff C Lewis
 Neurosciences Trials Unit, Division of Clinical Neurosciences, Western General Hospital, Crewe Road, Edinburgh EH4 2XU, UK; steff.lewised.ac.uk
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Citation

Lewis SC, Warlow CP
How to spot bias and other potential problems in randomised controlled trials

Publication history

  • Received 19 August 2003
  • Accepted 24 November 2003
  • Revised 24 November 2003
  • Published in print 1 February 2004.
  • Published online 23 January 2004.

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