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Bourke JE, Li X, Foster SR, Wee E, Dagher H, Ziogas J, Harris T, Bonacci JV, Stewart AG.Bourke JE, et al.Eur Respir J. 2011 Jan;37(1):173-82. doi: 10.1183/09031936.00008109. Epub 2010 Jul 1.Eur Respir J. 2011.PMID: 20595143Free article.