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Helmi M, Love RB, Welter D, Cornwell RD, Meyer KC.Helmi M, et al. Among authors: meyer kc.Chest. 2003 Mar;123(3):800-8. doi: 10.1378/chest.123.3.800.Chest. 2003.PMID: 12628881
Bobadilla JL, Jankowska-Gan E, Xu Q, Haynes LD, Munoz del Rio A, Meyer K, Greenspan DS, De Oliveira N, Burlingham WJ, Maloney JD.Bobadilla JL, et al.Chest. 2010 Aug;138(2):363-70. doi: 10.1378/chest.09-2610. Epub 2010 Apr 23.Chest. 2010.PMID: 20418369Free PMC article.