PT - JOURNAL ARTICLE ED - , TI - Review: long-term annual conversion rate to dementia was 3.3% in elderly people with mild cognitive impairment AID - 10.1136/ebm.14.3.90 DP - 2009 Jun 01 TA - Evidence Based Medicine PG - 90--90 VI - 14 IP - 3 4099 - http://ebm.bmj.com/content/14/3/90.short 4100 - http://ebm.bmj.com/content/14/3/90.full SO - Evid Based Med2009 Jun 01; 14