Chronic myelocytic leukemia in identical twins and a sibling.
D000368:Aged; D001772:Blood Cell Count; D002869:Chromosome Aberrations / Q000150:complications; D025063:Chromosome Disorders; D004200:Diseases in Twins; D006400:Hematocrit; D006801:Humans; D007621:Karyotyping; D007951:Leukemia, Myeloid / Q000150:complications / Q000209:etiology / Q000235:genetics*; D008297:Male; D008875:Middle Aged