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Lang AJ, Norman SB, Means-Christensen A, Stein MB.Lang AJ, et al. Among authors: norman sb.Depress Anxiety. 2009;26(6):537-43. doi: 10.1002/da.20471.Depress Anxiety. 2009.PMID: 19016462
Norman SB, Stein MB, Davidson JR.Norman SB, et al.J Nerv Ment Dis. 2007 Jan;195(1):48-53. doi: 10.1097/01.nmd.0000252135.25114.02.J Nerv Ment Dis. 2007.PMID: 17220739
Simmons AN, Paulus MP, Thorp SR, Matthews SC, Norman SB, Stein MB.Simmons AN, et al. Among authors: norman sb.Biol Psychiatry. 2008 Oct 15;64(8):681-690. doi: 10.1016/j.biopsych.2008.05.027. Epub 2008 Jul 17.Biol Psychiatry. 2008.PMID: 18639236Free PMC article.