title: Duration of immunologic memory in mice primed at different ages.
mesh_terms: D000367:Age Factors; D000373:Agglutinins / Q000032:analysis; D000818:Animals; D000917:Antibody Formation; D004912:Erythrocytes / Q000276:immunology; D005260:Female; D006386:Hemagglutination Tests; D006460:Hemolysin Proteins / Q000032:analysis; D006462:Hemolytic Plaque Technique; D007117:Immunization, Secondary; D007156:Immunologic Memory; D007274:Injections, Intraperitoneal; D051379:Mice; D012756:Sheep / Q000276:immunology; D013997:Time Factors
chemical_list: D000373:Agglutinins; D006460:Hemolysin Proteins