Disclosure of APOE genotype for risk of Alzheimer’s disease Green RC, Roberts JS, Cupples LA, Relkin NR, Whitehouse PJ, Brown T, Eckert SL, Butson M, Sadovnick AD, Quaid KA, Chen C, Cook-Deegan R, Farrer LA, for the REVEAL Study Group. New England Journal of Medicine July 2009 Open .pdf