title: [Studies on the local immunity of the gastrointestinal tract].
mesh_terms: D000818:Animals; D001646:Bile / Q000276:immunology; D003594:Cytoplasmic Granules / Q000378:metabolism; D004064:Digestive System / Q000276:immunology*; D006801:Humans; D007070:Immunoglobulin A / Q000378:metabolism*; D008099:Liver / Q000378:metabolism; D008221:Lymphoid Tissue / Q000276:immunology
chemical_list: D007070:Immunoglobulin A