title: Serum antibodies to Bacteroides species in human periodontitis.
mesh_terms: D000328:Adult; D000907:Antibodies, Bacterial / Q000032:analysis*; D001439:Bacteroides / Q000276:immunology*; D004797:Enzyme-Linked Immunosorbent Assay; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010518:Periodontitis / Q000276:immunology*
chemical_list: D000907:Antibodies, Bacterial