title: Thymus factors and immunity: enhancement of immunologic maturation by a purified calf thymus extract.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D000917:Antibody Formation; D002417:Cattle / Q000276:immunology; D002845:Chromatography; D004912:Erythrocytes / Q000276:immunology; D005260:Female; D006462:Hemolytic Plaque Technique; D007114:Immunization; D007668:Kidney / Q000276:immunology; D008214:Lymphocytes / Q000276:immunology; D051379:Mice; D008807:Mice, Inbred BALB C; D008815:Mice, Inbred Strains; D008970:Molecular Weight; D012756:Sheep / Q000276:immunology; D013154:Spleen / Q000166:cytology / Q000276:immunology; D013950:Thymus Gland / Q000276:immunology*; D014020:Tissue Extracts / Q000302:isolation & purification; D014461:Ultracentrifugation
chemical_list: D014020:Tissue Extracts