title: Relationships of perceptual-motor development to hyperkinesis, educational placement, drug utilization, socioeconomic status, and age.
mesh_terms: D000367:Age Factors; D001289:Attention Deficit Disorder with Hyperactivity / Q000188:drug therapy / Q000523:psychology*; D002648:Child; D002675:Child, Preschool; D004493:Education; D005260:Female; D006801:Humans; D008297:Male; D011597:Psychomotor Performance; D012923:Social Class