title: Antigens of Leptotrichia buccalis I. Their serologic reaction with human sera.
mesh_terms: D000818:Animals; D000942:Antigens, Bacterial; D006088:Gram-Negative Aerobic Bacteria / Q000276:immunology*; D006801:Humans; D009055:Mouth / Q000382:microbiology; D010510:Periodontal Diseases / Q000276:immunology*; D012756:Sheep / Q000276:immunology
chemical_list: D000942:Antigens, Bacterial