Vogiatzoglou, ARefsum, HJohnston, CaroleSmith, S MBradley, K Mde Jager, Celeste ABudge, MarcSmith, A D2015-12-082015-12-080028-3878http://hdl.handle.net/1885/34351OBJECTIVES:: To investigate the relationship between markers of vitamin B12 status and brain volume loss per year over a 5-year period in an elderly population. METHODS:: A prospective study of 107 community-dwelling volunteers aged 61 to 87 years withoutKeywords: apolipoprotein E; apolipoprotein E epsilon4; cobalamin derivative; creatinine; cyanocobalamin; folic acid; holotranscobalamin; homocysteine; methylmalonic acid; transcobalamin; unclassified drug; biological marker; cyanocobalamin; adult; aged; aging; arti200810.1212/01.wnl.0000325581.26991.f22015-12-08