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Cochrane Eye and Vision Group
  1. Correspondence to Dr Yew Chong Yap, Department of Ophthalmology, Moorfields Eye Hospital, 162 City Road, London EC1V 2PD, UK; eyapyc{at}
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Yap YC, Fraser S, Wormald R
Cochrane Eye and Vision Group

Publication history

  • First published November 10, 2011.
Online issue publication 
April 16, 2012

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