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Heinzer RC, White DP, Jordan AS, Lo YL, Dover L, Stevenson K, Malhotra A.Heinzer RC, et al. Among authors: malhotra a.Eur Respir J. 2008 Jun;31(6):1308-12. doi: 10.1183/09031936.00067607. Epub 2008 Feb 6.Eur Respir J. 2008.PMID: 18256066Free PMC article.Clinical Trial.