TY - JOUR AU - Matthews, F E; Arthur, A; Barnes, L EMedical Research Council Cognitive Function and Ageing Collaboration TI - A two-decade comparison of prevalence of dementia in individuals aged 65 years and older from three geographical areas of England: results of the Cognitive Function and Ageing Study I and II JO - Lancet VL - 382 PY - 2013 DO - 10.1016/S0140-6736(13)61570-6 SP - 1405 EP - 1412 N1 - et al. ER -