Demographic characteristics of a population of people with moderate, severe and profound intellectual disability (mental handicap) over 50 years of age: age structure, IQ and adaptive skills

Moss S, Hogg J, Horne M. Demographic characteristics of a population of people with moderate, severe and profound intellectual disability (mental handicap) over 50 years of age: age structure, IQ and adaptive skills. J Intellect Disabil Res. 1992; 36 ( Pt 5): 387-401.