title: Effect of antigen variation on production of antibody in canine tracheal secretions.
mesh_terms: D000042:Absorption; D000818:Animals; D000917:Antibody Formation; D000941:Antigens; D001345:Autoradiography; D002845:Chromatography; D002850:Chromatography, Gel; D004285:Dogs; D004912:Erythrocytes / Q000187:drug effects / Q000276:immunology*; D006386:Hemagglutination Tests; D006433:Hemocyanins / Q000494:pharmacology*; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D007070:Immunoglobulin A; D007456:Iodine Isotopes; D008623:Mercaptoethanol / Q000494:pharmacology; D012710:Serum Albumin, Bovine; D012756:Sheep; D013183:Sputum / Q000276:immunology*; D013634:Tannins / Q000494:pharmacology; D014132:Trachea / Q000276:immunology / Q000378:metabolism*
chemical_list: D000941:Antigens; D007070:Immunoglobulin A; D007456:Iodine Isotopes; D013634:Tannins; D012710:Serum Albumin, Bovine; D008623:Mercaptoethanol; D006433:Hemocyanins