title: A PEG-precipitation laser nephelometer technique for detection and characterization of circulating immune complexes in human sera.
mesh_terms: D000936:Antigen-Antibody Complex / Q000032:analysis*; D001172:Arthritis, Rheumatoid / Q000276:immunology; D001943:Breast Neoplasms / Q000276:immunology; D011232:Chemical Precipitation; D003181:Complement C4 / Q000032:analysis; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis; D007834:Lasers; D008180:Lupus Erythematosus, Systemic / Q000276:immunology; D008545:Melanoma / Q000276:immunology; D009391:Nephelometry and Turbidimetry / Q000379:methods*; D011092:Polyethylene Glycols / Q000494:pharmacology*
chemical_list: D000936:Antigen-Antibody Complex; D003181:Complement C4; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D011092:Polyethylene Glycols