Effects of Tooth Loss and the Apolipoprotein E ɛ4 Allele on Mild Memory Impairment in the Fujiwara-kyo Study of Japan: A Nested Case-Control Study. Okamoto N, Morikawa M, Amano N, Yanagi M, Takasawa S, Kurumatani N J Alzheimers Dis. 2017; 55(2):575-583. PMID: 27716671. Abstract Comment Bookmark Recommend Follow Comment | Bookmark | Recommend | Follow