title: The probable intervention of a thymus-dependent humoral immune inhibitor in antigenic competition.
mesh_terms: D000536:Aluminum Hydroxide / Q000494:pharmacology; D000818:Animals; D000917:Antibody Formation; D000937:Antigen-Antibody Reactions / Q000187:drug effects*; D001327:Autoimmune Diseases / Q000276:immunology; D001402:B-Lymphocytes; D002417:Cattle; D003520:Cyclophosphamide; D008213:Lymphocyte Activation; D051379:Mice; D008815:Mice, Inbred Strains; D011205:Povidone / Q000494:pharmacology; D013154:Spleen / Q000637:transplantation; D013601:T-Lymphocytes / Q000378:metabolism*; D013934:Thymectomy; D014184:Transplantation, Homologous; D014801:Vitamin A / Q000494:pharmacology
chemical_list: D014801:Vitamin A; D000536:Aluminum Hydroxide; D003520:Cyclophosphamide; D011205:Povidone