title: Cytochemical study of tetrahydrofolate dehydrogenase in chronic lymphocytic leukemia cells.
mesh_terms: D001402:B-Lymphocytes; D002908:Chronic Disease; D006801:Humans; D007945:Leukemia, Lymphoid / Q000201:enzymology*; D008214:Lymphocytes / Q000201:enzymology*; D013601:T-Lymphocytes; D013762:Tetrahydrofolate Dehydrogenase / Q000097:blood*
chemical_list: D013762:Tetrahydrofolate Dehydrogenase