title: [Absence of Philadelphia chromosome in leukemic cells in blast crisis in Ph1-positive myelocytic leukemia in a 5-year-old child].
mesh_terms: D001853:Bone Marrow / Q000473:pathology*; D002675:Child, Preschool; D002869:Chromosome Aberrations; D002904:Chromosomes, Human, 21-22 and Y; D006801:Humans; D007621:Karyotyping; D007951:Leukemia, Myeloid / Q000473:pathology*; D008297:Male
vernacular_title: Otsutstvie Ph'-khromosomy v leĭkoznykh kletkakh pri blastnom krize Ph'-polozhitel'nogo khronicheskogo mieloleĭkoza u 5-letnego rebenka.