title: "Negative phase" investigated on the cellular level.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis; D000917:Antibody Formation; D000921:Antibody-Producing Cells; D000941:Antigens; D004912:Erythrocytes / Q000276:immunology; D006462:Hemolytic Plaque Technique; D007115:Immunization Schedule; D007117:Immunization, Secondary; D008214:Lymphocytes / Q000276:immunology*; D012756:Sheep
chemical_list: D000906:Antibodies; D000941:Antigens