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Dorsett M, Cooper RJ, Taira BR, Wilkes E, Hoffman JR.Dorsett M, et al. Among authors: cooper rj.Emerg Med J. 2020 Apr;37(4):240-245. doi: 10.1136/emermed-2019-209031. Epub 2019 Dec 24.Emerg Med J. 2020.PMID: 31874920No abstract available.