Down's syndrome and leukemia in a family.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004314:Down Syndrome / Q000235:genetics*; D005260:Female; D006801:Humans; D007621:Karyotyping; D007938:Leukemia / Q000235:genetics*; D008297:Male; D008875:Middle Aged; D010375:Pedigree; D014314:Trisomy