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COPD exacerbations · 4: Prevention
  1. Correspondence to:
    Professor P M A Calverley
    Division of Infection and Immunity, Clinical Sciences Centre, University Hospital Aintree, Liverpool L9 7AL, UK; pmacal{at}
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Scott S, Walker P, Calverley PMA
COPD exacerbations · 4: Prevention

Publication history

  • Received September 26, 2005
  • Accepted December 16, 2005
  • First published April 28, 2006.
Online issue publication 
April 28, 2006
  • In the paper entitled 'COPD exacerbations � 4 ? Prevention' by S Scott, P Walker and P M A Calverley which appeared in the May issue of Thorax (2006;61:440�7), the dose of tiotropium used in the studies by Casaburi and Brusasco referred to in table 1 on page 444 which currently reads '18 mg twice daily' should read '18 mg once daily'. The publishers apologise for this error.

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