Burgess, J W <br/><br/>
The development of social group formation in normal and mentally retarded persons from early childhood through old age: neuropsychiatric, developmental, and cognitive implications.  [electronic resource] 

 -  Psychiatry research  Oct 1989 
 - 31-43 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. 
<br/><br/><label>ISSN: </label>0165-1781 
<br/><br/><label>Standard No.: </label>10.1016/0165-1781(89)90169-8  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Age Factors<br/>Aged<br/>Brain--physiology<br/>Child<br/>Child, Preschool<br/>Cognition<br/>Female<br/>Group Structure<br/>Human Development<br/>Humans<br/>Intellectual Disability--psychology<br/>Interpersonal Relations<br/>Male<br/>Middle Aged<br/>Sex Factors