title: IgG subclasses in human periodontal disease. I. Distribution and incidence of IgG subclass bearing lymphocytes and plasma cells.
mesh_terms: D005455:Fluorescent Antibody Technique; D005881:Gingiva / Q000473:pathology; D005891:Gingivitis / Q000276:immunology*; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis; D007958:Leukocyte Count; D008214:Lymphocytes / Q000276:immunology*; D010518:Periodontitis / Q000276:immunology*; D010950:Plasma Cells / Q000276:immunology*; D011947:Receptors, Antigen, B-Cell
chemical_list: D007074:Immunoglobulin G; D011947:Receptors, Antigen, B-Cell