[Ataxia-telangiectasia in Japan].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001260:Ataxia Telangiectasia / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007564:Japan; D008297:Male