title: Dirty pigs beat disease.
authors: Natasha
authors: N
authors: Gilbert
mesh_terms: D000818:Animals; D001424:Bacterial Infections / Q000276:immunology / Q000382:microbiology / Q000662:veterinary*; D003424:Crohn Disease / Q000382:microbiology; D005786:Gene Expression Regulation / Q000276:immunology; D006799:Housing, Animal / Q000592:standards; D006801:Humans; D006920:Hygiene; D006967:Hypersensitivity / Q000276:immunology / Q000382:microbiology; D007410:Intestinal Diseases / Q000276:immunology / Q000382:microbiology / Q000662:veterinary*; D007422:Intestines / Q000382:microbiology*; D013552:Swine / Q000276:immunology*; D013553:Swine Diseases / Q000276:immunology / Q000382:microbiology