title: Tumors of hematopoietic tissue and enzymes involved in purine metabolism.
mesh_terms: D000243:Adenosine Deaminase / Q000378:metabolism; D006801:Humans; D007938:Leukemia / Q000201:enzymology*; D010430:Pentosyltransferases / Q000097:blood*; D011683:Purine-Nucleoside Phosphorylase / Q000097:blood*
chemical_list: D010430:Pentosyltransferases; D011683:Purine-Nucleoside Phosphorylase; D000243:Adenosine Deaminase