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Choi G, Vlaar AP, Schouten M, Van't Veer C, van der Poll T, Levi M, Schultz MJ.Choi G, et al. Among authors: vlaar ap.Eur Respir J. 2007 Sep;30(3):423-8. doi: 10.1183/09031936.00165606. Epub 2007 May 30.Eur Respir J. 2007.PMID: 17537762Free article.