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机译:Folate and vitamin B-12 status in relation to anemia, macrocytosis, and cognitive impairment in older Americans in the age of folic acid fortification.
Jean Mayer US Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111, USA. martha.morris@tufts.edu;
Aging; Anemia; Cognition Disorders; Folic Acid; Nutritional Status; Vitamin B 12; 衰老; 贫血; 认知障碍; 叶酸; 营养状况; 维生素B12;