%0 Journal Article %T Language Delay and Hyperactivity in Preschoolers: Evidence for a Distinct Subgroup of Hyperactives* %A Beitchman, Joseph %A Tuckett, Martha %A Batth, Susan %J Canadian Journal of Psychiatry %V 32 %N 8 %P 683-687 %@ 0706-7437 %D 1987-11-01 %I SAGE Publications %~ DeepDyve