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  1. Correspondence to Professor Martin Thornhill, Department of Oral & Maxillofacial Medicine & Surgery, The School Of Clinical Dentistry, University of Sheffield, Claremont Crescent, Sheffield S10 2TA, UK; m.thornhill{at}
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Thornhill MH, Chambers JB, Dayer M, et al

Publication history

  • First published July 19, 2013.
Online issue publication 
October 06, 2013

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