title: Natural defense and chemical carcinogenesis.
mesh_terms: D015127:9,10-Dimethyl-1,2-benzanthracene / Q000494:pharmacology*; D000818:Animals; D001853:Bone Marrow / Q000276:immunology; D005434:Flow Cytometry; D007113:Immunity, Innate / Q000187:drug effects*; D007116:Immunization, Passive; D007694:Killer Cells, Natural / Q000187:drug effects / Q000276:immunology* / Q000528:radiation effects; D051379:Mice; D008807:Mice, Inbred BALB C; D013154:Spleen / Q000276:immunology
chemical_list: D015127:9,10-Dimethyl-1,2-benzanthracene