PT - JOURNAL ARTICLE ED - , TI - Hyperactivity in children DP - 1989 Mar 01 TA - Canadian Medical Association Journal PG - 494a--495 VI - 140 IP - 5 4099 - http://www.cmaj.ca/content/140/5/494a.short 4100 - http://www.cmaj.ca/content/140/5/494a.full SO - CMAJ1989 Mar 01; 140