title: Structural requirement for the biological activity of serum thymic factor.
mesh_terms: D000818:Animals; D003601:Cytotoxicity Tests, Immunologic; D008297:Male; D051379:Mice; D012397:Rosette Formation; D013154:Spleen / Q000187:drug effects; D013329:Structure-Activity Relationship; D013935:Thymic Factor, Circulating / Q000494:pharmacology*; D013951:Thymus Hormones / Q000494:pharmacology*
chemical_list: D013951:Thymus Hormones; D013935:Thymic Factor, Circulating