title: Studies show bacterium involved in juvenile periodontitis.
mesh_terms: D000188:Actinobacillus / Q000276:immunology; D000189:Actinobacillus Infections / Q000276:immunology*; D000907:Antibodies, Bacterial / Q000032:analysis; D006801:Humans; D010510:Periodontal Diseases / Q000276:immunology / Q000382:microbiology*
chemical_list: D000907:Antibodies, Bacterial