title: Proceedings: Isolation and partial chemical characterization of thymus humoral factor, a thymic hormone involved in immune maturation of lymphoid cells.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D006728:Hormones / Q000302:isolation & purification*; D008213:Lymphocyte Activation; D051379:Mice; D013950:Thymus Gland / Q000276:immunology*
chemical_list: D006728:Hormones