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Murphy AC, Proeschal A, Brightling CE, Wardlaw AJ, Pavord I, Bradding P, Green RH.Murphy AC, et al. Among authors: green rh.Thorax. 2012 Aug;67(8):751-3. doi: 10.1136/thoraxjnl-2011-201096. Epub 2012 Mar 21.Thorax. 2012.PMID: 22436168
Berry M, Morgan A, Shaw DE, Parker D, Green R, Brightling C, Bradding P, Wardlaw AJ, Pavord ID.Berry M, et al.Thorax. 2007 Dec;62(12):1043-9. doi: 10.1136/thx.2006.073429. Epub 2007 Mar 13.Thorax. 2007.PMID: 17356056Free PMC article.Clinical Trial.