title: The occurrence of the philadelphia chromosome in essential thrombocytosis.
mesh_terms: D001853:Bone Marrow / Q000648:ultrastructure*; D002904:Chromosomes, Human, 21-22 and Y; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007951:Leukemia, Myeloid / Q000175:diagnosis; D008875:Middle Aged; D013922:Thrombocytosis / Q000175:diagnosis / Q000235:genetics* / Q000473:pathology