title: A simple one-step procedure for preparation of C1-deficient human serum.
mesh_terms: D011232:Chemical Precipitation; D003172:Complement C1 / Q000032:analysis / Q000172:deficiency* / Q000276:immunology; D003171:Complement Pathway, Classical; D006461:Hemolysis; D006801:Humans; D007202:Indicators and Reagents; D011092:Polyethylene Glycols
chemical_list: D003172:Complement C1; D007202:Indicators and Reagents; D011092:Polyethylene Glycols