Moretti P, Lieberman AP, Wilde EA, Giordani BI, Kluin KJ, Koeppe RA, Minoshima S, Kuhl DE, Seltzer WK, Foster NL. Novel insertional presenilin 1 mutation causing Alzheimer disease with spastic paraparesis. Neurology. 2004 May 25;62(10):1865-8. PubMed Abstract