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- [1] SEVERELY AND PROFOUNDLY RETARDED - CURRENT ISSUES AND NEEDS EDUCATION AND TRAINING IN MENTAL RETARDATION AND DEVELOPMENTAL DISABILITIES, 1976, 11 (01): : 3 - 4
- [4] SURVIVAL ANALYSIS OF THE SEVERELY AND PROFOUNDLY MENTALLY-RETARDED AMERICAN JOURNAL OF MEDICAL GENETICS, 1985, 21 (02): : 213 - 223
- [8] TRAINING SEVERELY AND PROFOUNDLY DEVELOPMENTALLY RETARDED CHILDREN MENTAL RETARDATION, 1967, 5 (04): : 20 - 24