title: [Purine nucleoside phosphorylase activity in childhood acute leukemia].
mesh_terms: D002675:Child, Preschool; D006801:Humans; D007945:Leukemia, Lymphoid / Q000201:enzymology*; D015470:Leukemia, Myeloid, Acute / Q000201:enzymology*; D010430:Pentosyltransferases / Q000097:blood*; D011683:Purine-Nucleoside Phosphorylase / Q000097:blood*
chemical_list: D010430:Pentosyltransferases; D011683:Purine-Nucleoside Phosphorylase