Mental retardation Mentally handicapped 23 Mentally handicapped children 21 People with mental disabilities 19 Congresses 15 Education 11 Rehabilitation 10 Care 7 In infancy & childhood 6 Services for 6 Children with mental disabilities 5 Etiology 5 Mental Retardation 5 Diagnosis 4 Mental health 4 Periodicals 4 Psychological aspects 4 Social psychiatry 4 Education of mentally retarded 3 Family relationships 3 Psychological testing 3 Research 3 Speech disorders 3 Terminology 3 Testing 3 Arriération mentale 2 Behavior modification 2 Behavior therapy 2 Brain 2 Child Development Disorders 2