title: Histochemical demonstration of tetrahydrofolate dehydrogenase in blast crisis of chronic myeloid leukaemia.
mesh_terms: D004796:Clinical Enzyme Tests; D003937:Diagnosis, Differential; D006651:Histocytochemistry; D006801:Humans; D007951:Leukemia, Myeloid / Q000175:diagnosis*; D013762:Tetrahydrofolate Dehydrogenase / Q000097:blood*
chemical_list: D013762:Tetrahydrofolate Dehydrogenase