Reasons for seeking genetic susceptibility testing among first-degree relatives of people with Alzheimer disease Roberts JS, LaRusse SA, Katzen H, Whitehouse PJ, Barber M, Post SG, Relkin N, Quaid K, Pietrzak RH, Cupples LA, Farrer LA, Brown T, Green RC. Alzheimer's Disease and Associated Disorders April 2003 Open .pdf