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Fonder MA, Mamelak AJ, Lazarus GS, Chanmugam A.Fonder MA, et al.Emerg Med Clin North Am. 2007 Feb;25(1):235-42. doi: 10.1016/j.emc.2007.01.012.Emerg Med Clin North Am. 2007.PMID: 17400084Review.