Cytogenetic studies of a patient with chronic myelocytic leukemia and his nonleukemic identical twin.
D000328:Adult; D002869:Chromosome Aberrations; D002904:Chromosomes, Human, 21-22 and Y; D004200:Diseases in Twins; D006801:Humans; D007951:Leukemia, Myeloid / Q000473:pathology*; D008297:Male