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Davis DA, Prescott J, Fordis CM Jr, Greenberg SB, Dewey CM, Brigham T, Lieberman SA, Rockhold RW, Lieff SJ, Tenner TE Jr.Davis DA, et al.Acad Med. 2011 Apr;86(4):468-73. doi: 10.1097/ACM.0b013e31820dfacf.Acad Med. 2011.PMID: 21346497