title: Normal immune function of the gastrointestinal tract.
authors.affiliation: Department of Small Animal Medicine, College of Veterinary Medicine, Texas A&M University, College Station 77843.
authors.forename: M D
authors.initials: MD
authors.lastname: Willard
mesh_terms: D000818:Animals; D003602:Cytotoxicity, Immunologic; D004064:Digestive System / Q000276:immunology* / Q000294:innervation; D006801:Humans; D007108:Immune Tolerance; D007071:Immunoglobulin A, Secretory / Q000096:biosynthesis; D007413:Intestinal Mucosa / Q000276:immunology*; D008214:Lymphocytes / Q000276:immunology; D008221:Lymphoid Tissue / Q000276:immunology*
chemical_list: D007071:Immunoglobulin A, Secretory