APOE and Alzheimer disease: In addition, genetic analysis of APOE\documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$$\varepsilon$$\end{document}ε4 allele, the most common variant of AD, reported its association with RAVLT score in an early-MCI (EMCI) study [26].