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Sunshine JE, Deem S, Weiss NS, Yanez ND, Daniel S, Keech K, Brown M, Treggiari MM.Sunshine JE, et al. Among authors: weiss ns.Respir Care. 2013 Apr;58(4):639-46. doi: 10.4187/respcare.01956.Respir Care. 2013.PMID: 22906838Free PMC article.