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Schwartz AR, Barnes M, Hillman D, Malhotra A, Kezirian E, Smith PL, Hoegh T, Parrish D, Eastwood PR.Schwartz AR, et al. Among authors: eastwood pr.Am J Respir Crit Care Med. 2012 Feb 15;185(4):420-6. doi: 10.1164/rccm.201109-1614OC. Epub 2011 Dec 1.Am J Respir Crit Care Med. 2012.PMID: 22135343Free PMC article.Clinical Trial.