AAMD's 1983 Classification in Mental Retardation as utilized by state mental retardation/developmental disabilities agencies.
Lowitzer
A C
AC
Utley
C A
CA
Baumeister
A A
AA
D000203:Activities of Daily Living; D006801:Humans; D008607:Intellectual Disability / Q000145:classification*; D007360:Intelligence; D012917:Social Adjustment; D014481:United States