title: Clinical and immunologic studies in identical twins discordant for systemic lupus erythematosus.
mesh_terms: D000974:Antibodies, Antinuclear; D000914:Antibodies, Viral / Q000032:analysis; D001666:Binding Sites, Antibody; D003168:Complement Fixation Tests; D003165:Complement System Proteins / Q000032:analysis; D003450:Cryoglobulins / Q000032:analysis; D005260:Female; D005455:Fluorescent Antibody Technique; D006385:Hemagglutination Inhibition Tests; D006433:Hemocyanins; D006801:Humans; D007114:Immunization; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D008180:Lupus Erythematosus, Systemic / Q000150:complications / Q000175:diagnosis / Q000276:immunology*; D008214:Lymphocytes / Q000276:immunology; D008875:Middle Aged; D009393:Nephritis / Q000209:etiology; D011247:Pregnancy; D012217:Rheumatoid Factor; D012882:Skin Tests; D014427:Twins
chemical_list: D000974:Antibodies, Antinuclear; D000914:Antibodies, Viral; D003450:Cryoglobulins; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D003165:Complement System Proteins; D012217:Rheumatoid Factor; D006433:Hemocyanins