Transfer of second set response to immunologically immature rats.
D000818:Animals; D000831:Animals, Newborn; D000917:Antibody Formation; D000941:Antigens; D017707:Erythrocyte Transfusion; D004912:Erythrocytes / Q000276:immunology; D006386:Hemagglutination Tests; D006462:Hemolytic Plaque Technique; D007116:Immunization, Passive; D007156:Immunologic Memory; D007274:Injections, Intraperitoneal; D017710:Lymphocyte Transfusion; D008214:Lymphocytes / Q000276:immunology*; D051381:Rats; D012756:Sheep / Q000276:immunology; D013154:Spleen / Q000166:cytology
D000941:Antigens