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Dannevig I, Solevåg AL, Saugstad OD, Nakstad B.Dannevig I, et al. Among authors: saugstad od.Open Respir Med J. 2012;6:89-96. doi: 10.2174/1874306401206010089. Epub 2012 Sep 20.Open Respir Med J. 2012.PMID: 23115599Free PMC article.