NavGeneral InfoEmail Print Geography China (CHN) Coverage type Country Time period covered 01/1993 - 12/1993 Data type Scientific literature Keywords Idiopathic intellectual disability, Mental and behavioral disorders Citation Authors Qh Z, Zw L, Zx Z Journal Nat Med J Chin Volume 74 Issue 3 Pages 134-7 Publication year 1994 Suggested citation Qh Z, Zw L, Zx Z. An epidemiological study on etiology of mental retardation. Nat Med J Chin. 1994; 74(3): 134-7. GHDx Entry last modified on: Mar 3, 2019