title: Molecular biology studies in Philadelphia chromosome-negative chronic myeloid leukemia.
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D015321:Gene Rearrangement; D006801:Humans; D015464:Leukemia, Myelogenous, Chronic, BCR-ABL Positive / Q000235:genetics*; D008297:Male; D008875:Middle Aged; D010677:Philadelphia Chromosome; D011519:Proto-Oncogenes