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Previous trials of dissemination were identified
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  1. Correspondence to:
 Mr P Edwards
 LSHTM, 49–51 Bedford Square, London WC1B3DP, UK; phil.edwardslshtm.ac.uk
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Edwards P, Cooper R
Previous trials of dissemination were identified

Publication history

  • First published March 16, 2004.
Online issue publication 
March 16, 2004

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