title: What caused the increase of autoimmune and allergic diseases: a decreased or an increased exposure to luminal microbial components?
authors: Xiaofa
authors: X
authors: Qin
mesh_terms: D001327:Autoimmune Diseases / Q000382:microbiology*; D006801:Humans; D006967:Hypersensitivity / Q000382:microbiology*; D007422:Intestines / Q000382:microbiology*