Summary
Cytogenetic study of 17 cases of chronic myeloid leukaemia has shown that the Philadelphia chromosome is a variable entity, differing in size and banding pattern between individuals.
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Watt, J.L., Hamilton, P.J. & Page, B.M. Variation in the Philadelphia chromosome. Hum Genet 37, 141–148 (1977). https://doi.org/10.1007/BF00393576
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DOI: https://doi.org/10.1007/BF00393576