title: Chronic myeloid leukemia with a masked Ph1 chromosome. A case report.
mesh_terms: D000328:Adult; D002869:Chromosome Aberrations; D002871:Chromosome Banding; D002880:Chromosomes, Human, Pair 11; D002892:Chromosomes, Human, Pair 22; D005260:Female; D006801:Humans; D007951:Leukemia, Myeloid / Q000235:genetics*; D010677:Philadelphia Chromosome; D014960:X Chromosome