title: [Correlations between clinical symptoms and serum IgG antibody titers to periodontally associated microorganisms in various types of periodontal disease].
mesh_terms: D004797:Enzyme-Linked Immunosorbent Assay; D006801:Humans; D007074:Immunoglobulin G / Q000276:immunology*; D010510:Periodontal Diseases / Q000276:immunology / Q000382:microbiology* / Q000473:pathology
chemical_list: D007074:Immunoglobulin G