title: Evidence for a thymic factor in sera of chickens [proceedings].
mesh_terms: D000818:Animals; D001379:Azathioprine / Q000494:pharmacology; D002645:Chickens / Q000276:immunology*; D008214:Lymphocytes / Q000276:immunology; D051379:Mice; D012397:Rosette Formation; D013154:Spleen / Q000166:cytology; D013935:Thymic Factor, Circulating / Q000032:analysis*; D013950:Thymus Gland / Q000276:immunology*; D013951:Thymus Hormones / Q000032:analysis*
chemical_list: D013951:Thymus Hormones; D013935:Thymic Factor, Circulating; D001379:Azathioprine