title: Factors influencing the in vitro interaction between immunoglobulins and isolated C1: a critical study.
mesh_terms: D000818:Animals; D003172:Complement C1; D003181:Complement C4 / Q000037:antagonists & inhibitors; D003168:Complement Fixation Tests; D005780:Gelatin; D006461:Hemolysis; D006801:Humans; D007128:Immunoglobulin Fragments; D007136:Immunoglobulins; D051381:Rats
chemical_list: D003172:Complement C1; D003181:Complement C4; D007128:Immunoglobulin Fragments; D007136:Immunoglobulins; D005780:Gelatin