P3‐351: RELATIONSHIP BETWEEN CSF Aβ42 LEVELS AND HIPPOCAMPAL SUBREGION VOLUMES. (1st July 2019) - Braskie, Meredith N.; Tubi, Meral A.; Thomopoulos, Sophia; Kothapalli, Deydeep; Sweeney, Melanie D.; Wang, Xinhui; Schneider, Lon S.; Joe, Elizabeth B.; Ringman, John M.; Yassine, Hussein N.; Law, Meng; Toga, Arthur W.; et al.