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Oster NV, Rothenberg R, McPhillips-Tangum CA, Gazmararian J, Franks AL.Oster NV, et al.South Med J. 2003 Sep;96(9):863-7. doi: 10.1097/01.SMJ.0000053673.13882.00.South Med J. 2003.PMID: 14513980