title: Are children with lymphoblastic leukaemia resistant to 6-mercaptopurine because of 5'-nucleotidase?
mesh_terms: D015720:5'-Nucleotidase; D002648:Child; D004351:Drug Resistance; D006801:Humans; D007945:Leukemia, Lymphoid / Q000188:drug therapy* / Q000201:enzymology; D015122:Mercaptopurine / Q000627:therapeutic use*; D009708:Nucleotidases / Q000378:metabolism*
chemical_list: D015122:Mercaptopurine; D009708:Nucleotidases; D015720:5'-Nucleotidase