title: Swine enzootic pneumonia: immunologic studies in infected sow-herds.
mesh_terms: D000208:Acute Disease; D000367:Age Factors; D000818:Animals; D000907:Antibodies, Bacterial / Q000302:isolation & purification; D002908:Chronic Disease; D004912:Erythrocytes / Q000276:immunology; D005455:Fluorescent Antibody Technique; D006386:Hemagglutination Tests; D007106:Immune Sera; D007122:Immunoelectrophoresis / Q000662:veterinary; D007074:Immunoglobulin G / Q000032:analysis; D008168:Lung / Q000382:microbiology; D009174:Mycoplasma / Q000302:isolation & purification*; D009175:Mycoplasma Infections / Q000453:epidemiology / Q000276:immunology / Q000662:veterinary*; D011014:Pneumonia / Q000276:immunology / Q000662:veterinary*; D011817:Rabbits / Q000276:immunology; D012756:Sheep / Q000276:immunology; D013552:Swine; D013553:Swine Diseases / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial; D007106:Immune Sera; D007074:Immunoglobulin G