%0 Journal Article %A Moyra E Mortby %A Ruth Peters %T Greater cognitive decline relative to normal ageing occurs at least 10 years prior to clinical dementia diagnosis %D 2018 %R 10.1136/bmjebm-2017-110876 %J BMJ Evidence-Based Medicine %P 79-79 %V 23 %N 2 %U https://ebm.bmj.com/content/ebmed/23/2/79.full.pdf