An immunological approach to the treatment of malignant disease.
D002648:Child; D006801:Humans; D007167:Immunotherapy; D007945:Leukemia, Lymphoid / Q000188:drug therapy / Q000628:therapy; D008727:Methotrexate / Q000627:therapeutic use; D009369:Neoplasms / Q000628:therapy*
D008727:Methotrexate