title: Autoantibodies in the investigation of connective tissue diseases.
mesh_terms: D000906:Antibodies / Q000032:analysis; D000974:Antibodies, Antinuclear / Q000032:analysis; D034961:Antigens, Nuclear; D001323:Autoantibodies / Q000032:analysis*; D003165:Complement System Proteins / Q000032:analysis; D003240:Connective Tissue Diseases / Q000276:immunology*; D004247:DNA / Q000276:immunology; D006801:Humans; D008875:Middle Aged; D009698:Nucleoproteins / Q000276:immunology; D012217:Rheumatoid Factor / Q000032:analysis
chemical_list: D000906:Antibodies; D000974:Antibodies, Antinuclear; D034961:Antigens, Nuclear; D001323:Autoantibodies; D009698:Nucleoproteins; D003165:Complement System Proteins; D004247:DNA; D012217:Rheumatoid Factor