title: On the measurement of blocking antibody. Blocking of antigenic histamine release compared to maximal antigen binding by antibodies in serum.
mesh_terms: D000906:Antibodies / Q000032:analysis*; D000937:Antigen-Antibody Reactions; D006636:Histamine Release; D006801:Humans; D006969:Hypersensitivity, Immediate / Q000276:immunology; D007106:Immune Sera; D007962:Leukocytes / Q000276:immunology; D009500:Neutralization Tests
chemical_list: D000906:Antibodies; D007106:Immune Sera