title: Influence of antigen-free diet, microbial flora and host strain on natural killer cytotoxic activity in mice.
mesh_terms: D000818:Animals; D000941:Antigens / Q000276:immunology*; D002460:Cell Line; D003602:Cytotoxicity, Immunologic; D004032:Diet; D005856:Germ-Free Life; D007422:Intestines / Q000382:microbiology*; D007694:Killer Cells, Natural / Q000276:immunology*; D008223:Lymphoma; D051379:Mice; D008809:Mice, Inbred C3H; D008813:Mice, Inbred ICR
chemical_list: D000941:Antigens