NavGeneral InfoEmail Print Geography New Zealand (NZL) Time period covered 01/1990 - 12/1990 Data type Scientific literature Keywords Idiopathic intellectual disability Citation Authors Hand JE Journal Ment Retard Volume 31 Issue 6 Pages 424-8 Publication year 1993 Suggested citation Hand JE. Summary of national survey of older people with mental retardation in New Zealand. Ment Retard. 1993; 31(6): 424-8. GHDx Entry last modified on: Mar 3, 2019