title: Immunological aspects.
mesh_terms: D000818:Animals; D000951:Antigens, Neoplasm / Q000032:analysis*; D000954:Antigens, Surface / Q000032:analysis; D006801:Humans; D007111:Immunity, Cellular; D007938:Leukemia / Q000276:immunology* / Q000382:microbiology; D011947:Receptors, Antigen, B-Cell; D012190:Retroviridae / Q000276:immunology*
chemical_list: D000951:Antigens, Neoplasm; D000954:Antigens, Surface; D011947:Receptors, Antigen, B-Cell