Phosphatidylethanolamine N-methyltransferase G175A Modifies Methyl Donor Intake Requirements and Alzheimer’s-Related Biomarkers for Predicting Cognitive Dysfunction - Li-Chun Chen; Chang-Sheng Kuo; Yu-Chen Cheng; Bei Wen Wang; Shi Hui-Xuan; Ya-Wen Hsueh; Chao-Yun Wang; Ming Lu Lin; Ta-Fu Chen; Rwei-Fen S Huang (Current Developments in Nutrition)