title: Complement fixation: the effects of IgG and IgM antibody concentration on C1-binding affinity.
mesh_terms: D000818:Animals; D000906:Antibodies; D001665:Binding Sites; D003168:Complement Fixation Tests; D003165:Complement System Proteins / Q000032:analysis; D004912:Erythrocytes / Q000276:immunology; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D011817:Rabbits; D012756:Sheep; D005719:gamma-Globulins
chemical_list: D000906:Antibodies; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D005719:gamma-Globulins; D003165:Complement System Proteins