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British Institute of Mental Handicap.cn
Institute of Mental Subnormality (Great Britain)cn
Kidderminster [Eng.] : British Institute of Mental Handicap,
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Journal of the British Institute of Mental Handicap.
Vols. for 1973-Mar. 1979 issued by the Institute of Mental Subnormality; June 1979-    by the British Institute of Mental Handicap.
Mental retardation
Mental handicap