title: Polyclonal B-cell activation: severe periodontal disease in young adults.
mesh_terms: D000190:Actinomyces / Q000276:immunology; D000293:Adolescent; D000328:Adult; D000907:Antibodies, Bacterial / Q000096:biosynthesis; D001402:B-Lymphocytes / Q000276:immunology*; D002648:Child; D002999:Clone Cells / Q000276:immunology; D004306:Dose-Response Relationship, Immunologic; D004926:Escherichia coli / Q000276:immunology; D006462:Hemolytic Plaque Technique; D006801:Humans; D008213:Lymphocyte Activation; D010510:Periodontal Diseases / Q000276:immunology*; D001443:Prevotella melaninogenica / Q000276:immunology; D013205:Staphylococcal Protein A / Q000494:pharmacology; D013997:Time Factors
chemical_list: D000907:Antibodies, Bacterial; D013205:Staphylococcal Protein A