title: Studies on thymus products. IV. Absence of serum 'thymic activity' in adult NZB and (NZB x NZW) F1 mice.
mesh_terms: D000375:Aging; D000818:Animals; D000831:Animals, Newborn; D000921:Antibody-Producing Cells; D001402:B-Lymphocytes / Q000276:immunology*; D005260:Female; D008198:Lymph Nodes / Q000276:immunology; D008297:Male; D051379:Mice; D008814:Mice, Inbred NZB; D013154:Spleen / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology*; D013950:Thymus Gland / Q000276:immunology*