Modification of tumor regression by immunologic means.
D000818:Animals; D004195:Disease Models, Animal / Q000188:drug therapy; D004357:Drug Synergism; D007116:Immunization, Passive; D007166:Immunosuppressive Agents / Q000008:administration & dosage*; D007939:Leukemia L1210 / Q000188:drug therapy* / Q000276:immunology; D015122:Mercaptopurine / Q000008:administration & dosage; D051379:Mice; D012510:Sarcoma 180 / Q000188:drug therapy* / Q000276:immunology
D007166:Immunosuppressive Agents; D015122:Mercaptopurine