Mental retardation (IQ 50-60 combined Griffiths and Stanford-Binet scale)
mental retardation (iq 50-60 combined griffiths and stanford-binet scale)
Mental retardation (IQ 50-60 combined Griffiths and Stanford-Binet scale)
mental retardation (iq 50-60 combined griffiths and stanford-binet scale)