An investigation of a possible humoral factor produced by the thymus in terms of its effect on immunological competence.
D000818:Animals; D000831:Animals, Newborn; D000917:Antibody Formation; D046508:Culture Techniques; D004058:Diffusion; D005374:Filtration; D006086:Graft vs Host Disease; D007109:Immunity; D008214:Lymphocytes / Q000276:immunology; D051379:Mice; D013154:Spleen / Q000276:immunology; D013934:Thymectomy; D013950:Thymus Gland / Q000276:immunology / Q000378:metabolism* / Q000637:transplantation; D014184:Transplantation, Homologous