title: Suppression of adult rat lymphoid proliferative responses by homologous neonatal serum.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D002478:Cells, Cultured; D008213:Lymphocyte Activation; D007959:Lymphocyte Culture Test, Mixed; D008214:Lymphocytes / Q000276:immunology; D051381:Rats; D013154:Spleen / Q000276:immunology