title: C1g precipitins in the sera of patients with systemic lupus erythematosus and other hypocomplementemic states: characterization of high and low molecular weight types.
mesh_terms: D000936:Antigen-Antibody Complex; D001172:Arthritis, Rheumatoid / Q000276:immunology; D002499:Centrifugation, Density Gradient; D003080:Cold Temperature; D003165:Complement System Proteins; D004247:DNA / Q000037:antagonists & inhibitors; D004892:Erythema Multiforme / Q000276:immunology; D005921:Glomerulonephritis / Q000276:immunology; D006069:Gonorrhea / Q000276:immunology; D006505:Hepatitis / Q000276:immunology; D006509:Hepatitis B / Q000276:immunology; D006801:Humans; D005779:Immunodiffusion; D008180:Lupus Erythematosus, Systemic / Q000276:immunology*; D008970:Molecular Weight; D009393:Nephritis / Q000276:immunology; D011234:Precipitins / Q000032:analysis*; D012217:Rheumatoid Factor / Q000032:analysis
chemical_list: D000936:Antigen-Antibody Complex; D011234:Precipitins; D003165:Complement System Proteins; D004247:DNA; D012217:Rheumatoid Factor