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Dangour AD, Allen E, Clarke R, Elbourne D, Fasey N, Fletcher AE, Letley L, Richards M, Whyte K, Mills K, Uauy R. A randomised controlled trial investigating the effect of vitamin B12 supplementation on neurological function in healthy older people: the Older People and Enhanced Neurological function (OPEN) study protocol [ISRCTN54195799]. Nutrition Journal. 2011 Mar 11;10(1):22. doi: 10.1186/1475-2891-10-22. |