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Aylward EH, Liu D, Nopoulos PC, Ross CA, Pierson RK, Mills JA, Long JD, Paulsen JS; PREDICT-HD Investigators and Coordinators of the Huntington Study Group.Aylward EH, et al. Among authors: pierson rk.Biol Psychiatry. 2012 May 1;71(9):822-8. doi: 10.1016/j.biopsych.2011.07.030. Epub 2011 Sep 9.Biol Psychiatry. 2012.PMID: 21907324Free PMC article.