title: Letter: Chromosomally marked lymphocyte clones in ataxia-telangiectasia.
mesh_terms: D000328:Adult; D001260:Ataxia Telangiectasia / Q000235:genetics*; D002869:Chromosome Aberrations; D002901:Chromosomes, Human, 13-15; D002904:Chromosomes, Human, 21-22 and Y; D002906:Chromosomes, Human, 6-12 and X; D002999:Clone Cells; D005809:Genes, Regulator; D006801:Humans; D007951:Leukemia, Myeloid / Q000235:genetics; D008214:Lymphocytes / Q000166:cytology*; D008297:Male; D012730:Sex Chromosomes