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Akpinar-Elci M, Travis WD, Lynch DA, Kreiss K.Akpinar-Elci M, et al. Among authors: kreiss k.Eur Respir J. 2004 Aug;24(2):298-302. doi: 10.1183/09031936.04.00013903.Eur Respir J. 2004.PMID: 15332401Free article.