title: Early antibody-forming cells of double specificity.
mesh_terms: D000371:Agglutination; D000818:Animals; D000917:Antibody Formation; D000918:Antibody Specificity; D000921:Antibody-Producing Cells; D000937:Antigen-Antibody Reactions; D010856:Columbidae; D003165:Complement System Proteins; D004912:Erythrocytes / Q000276:immunology; D006168:Guinea Pigs; D007114:Immunization; D007275:Injections, Intravenous; D007700:Kinetics; D051379:Mice; D012756:Sheep; D013154:Spleen / Q000166:cytology*
chemical_list: D003165:Complement System Proteins