Article info

Download PDFPDF

Asthma exacerbations · 1: Epidemiology


  1. Correspondence to:
    MrN Johnston
    Firestone Institute for Respiratory Health, St Joseph’s Healthcare, 50 Charlton Avenue East, Hamilton, Ontario, Canada L8N 4A6; njohnsto{at}
View Full Text


Johnston NW, Sears MR
Asthma exacerbations · 1: Epidemiology

Publication history

  • Received January 18, 2006
  • Revised March 31, 2006
  • First published July 28, 2006.
Online issue publication 
July 28, 2006

Request permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.