title: Positive immunological reaction of gut cells from orally immunized animals demonstrated by passive cutaneous anaphylaxis.
mesh_terms: D000818:Animals; D000941:Antigens; D004926:Escherichia coli / Q000276:immunology; D006168:Guinea Pigs; D007109:Immunity; D007422:Intestines / Q000166:cytology / Q000276:immunology*; D010323:Passive Cutaneous Anaphylaxis; D012486:Salmonella typhimurium / Q000276:immunology; D012760:Shigella / Q000276:immunology; D013154:Spleen / Q000166:cytology / Q000276:immunology
chemical_list: D000941:Antigens