[An epidemiologic investigation of mental retardation in the Lisu people of Jinsha Commune, Dechang County, Sichuan Province].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D002681:China; D003241:Consanguinity; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000453:epidemiology* / Q000235:genetics; D008297:Male; D008403:Mass Screening; D008875:Middle Aged