title: The significance of C3 and C4 complement levels in lupus nephritis.
mesh_terms: D000974:Antibodies, Antinuclear / Q000032:analysis; D003176:Complement C3 / Q000032:analysis*; D003181:Complement C4 / Q000032:analysis*; D003165:Complement System Proteins / Q000032:analysis*; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000097:blood* / Q000150:complications / Q000276:immunology; D009393:Nephritis / Q000097:blood* / Q000150:complications / Q000276:immunology; D011414:Properdin / Q000494:pharmacology
chemical_list: D000974:Antibodies, Antinuclear; D003176:Complement C3; D003181:Complement C4; D011414:Properdin; D003165:Complement System Proteins