title: Complement activation and complement receptors in systemic lupus erythematosus.
mesh_terms: D000936:Antigen-Antibody Complex / Q000276:immunology; D003167:Complement Activation; D003179:Complement C3b / Q000172:deficiency; D003181:Complement C4 / Q000172:deficiency / Q000235:genetics; D015935:Complement C4b; D004912:Erythrocytes / Q000276:immunology; D006680:HLA Antigens / Q000276:immunology; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000097:blood* / Q000209:etiology; D008657:Metabolic Clearance Rate; D011951:Receptors, Complement / Q000502:physiology*
chemical_list: D000936:Antigen-Antibody Complex; D003181:Complement C4; D006680:HLA Antigens; D011951:Receptors, Complement; D003179:Complement C3b; D015935:Complement C4b