title: Editorial overview: immunology section.
authors.forename: W Allan
authors.initials: WA
authors.lastname: Walker
mesh_terms: D005753:Gastric Mucosa / Q000276:immunology; D005767:Gastrointestinal Diseases / Q000276:immunology* / Q000382:microbiology / Q000473:pathology; D041981:Gastrointestinal Tract / Q000276:immunology* / Q000382:microbiology / Q000473:pathology; D006801:Humans; D007413:Intestinal Mucosa / Q000276:immunology