title: Ontogeny of haemolytic plaque-forming cells in the hamster; the response to sheep and mouse erythrocytes.
mesh_terms: D000367:Age Factors; D000818:Animals; D000831:Animals, Newborn; D000921:Antibody-Producing Cells; D000941:Antigens; D006224:Cricetinae; D004912:Erythrocytes / Q000276:immunology*; D006462:Hemolytic Plaque Technique; D007114:Immunization; D012756:Sheep; D013154:Spleen / Q000254:growth & development* / Q000276:immunology
chemical_list: D000941:Antigens