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Barker LE, Smith PJ, Gerzoff RB, Luman ET, McCauley MM, Strine TW.Barker LE, et al. Among authors: gerzoff rb.Stat Med. 2005 Feb 28;24(4):605-13. doi: 10.1002/sim.2039.Stat Med. 2005.PMID: 15678411