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Johannessen A, Eagan TM, Omenaas ER, Bakke PS, Gulsvik A.Johannessen A, et al. Among authors: eagan tm.Eur Respir J. 2010 Sep;36(3):480-7. doi: 10.1183/09031936.00186509. Epub 2010 Feb 11.Eur Respir J. 2010.PMID: 20150201Free article.