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Kim K, Lee CC, Rhee JE, Suh GJ, Lee HJ, Kim HB, Singer AJ.Kim K, et al. Among authors: singer aj.Acad Emerg Med. 2008 Apr;15(4):319-23. doi: 10.1111/j.1553-2712.2008.00070.x.Acad Emerg Med. 2008.PMID: 18370984Free article.