Clinical and immunological studies in twenty families with ataxia-telangiectasia.
D000328:Adult; D001260:Ataxia Telangiectasia / Q000235:genetics* / Q000276:immunology; D002675:Child, Preschool; D003241:Consanguinity; D005260:Female; D006801:Humans; D007109:Immunity; D008297:Male