PT - JOURNAL ARTICLE AU - G. Worrall TI - Cognitive impairment in the elderly DP - 1991 Aug 01 TA - Canadian Medical Association Journal PG - 196b--196 VI - 145 IP - 3 4099 - http://www.cmaj.ca/content/145/3/196b.short 4100 - http://www.cmaj.ca/content/145/3/196b.full SO - CMAJ1991 Aug 01; 145