title: Letter: The Ph1-chromosome: translocation to chromosome 9.
mesh_terms: D002869:Chromosome Aberrations; D002904:Chromosomes, Human, 21-22 and Y; D002906:Chromosomes, Human, 6-12 and X; D005821:Genetic Techniques; D006801:Humans; D007621:Karyotyping; D007951:Leukemia, Myeloid / Q000235:genetics*; D014357:Trypsin
chemical_list: D014357:Trypsin