title: Changes in haemolytic plaque size during the primary immune response of mice.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000918:Antibody Specificity; D000921:Antibody-Producing Cells; D000941:Antigens; D004912:Erythrocytes / Q000276:immunology; D006462:Hemolytic Plaque Technique; D051379:Mice; D008815:Mice, Inbred Strains; D012756:Sheep / Q000276:immunology
chemical_list: D000941:Antigens