Serum levels of C1q, C1r and C1s in normal and pathologic sera.
D000744:Anemia, Hemolytic, Autoimmune / Q000097:blood* / Q000276:immunology; D000974:Antibodies, Antinuclear / Q000032:analysis; D001172:Arthritis, Rheumatoid / Q000097:blood* / Q000276:immunology; D001800:Blood Specimen Collection; D003165:Complement System Proteins / Q000032:analysis*; D006386:Hemagglutination Tests; D006482:Hemorrhagic Fevers, Viral / Q000097:blood* / Q000276:immunology; D006801:Humans; D005779:Immunodiffusion; D008180:Lupus Erythematosus, Systemic / Q000097:blood* / Q000276:immunology; D012217:Rheumatoid Factor / Q000032:analysis
D000974:Antibodies, Antinuclear; D003165:Complement System Proteins; D012217:Rheumatoid Factor