Familial leukaemia--three cases of acute leukaemia in four siblings.
D002675:Child, Preschool; D002869:Chromosome Aberrations / Q000150:complications; D025063:Chromosome Disorders; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D007223:Infant; D007945:Leukemia, Lymphoid / Q000453:epidemiology / Q000235:genetics* / Q000401:mortality; D008297:Male; D013548:Sweden