title: Immunorestoration of old mice by injection of thymus extract: enhancement of T cell-T cell cooperation in the in vitro antibody response.
mesh_terms: D000375:Aging; D000818:Animals; D000917:Antibody Formation; D006736:Horses; D008211:Lymphocyte Cooperation; D008297:Male; D051379:Mice; D008810:Mice, Inbred C57BL; D008808:Mice, Inbred CBA; D012756:Sheep; D013154:Spleen / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology*; D013949:Thymus Extracts / Q000008:administration & dosage*
chemical_list: D013949:Thymus Extracts