title: Thymus dependency of antibody-mediated helper effect.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000921:Antibody-Producing Cells; D001402:B-Lymphocytes / Q000276:immunology*; D002645:Chickens; D004912:Erythrocytes / Q000276:immunology; D006241:Haptens; D013601:T-Lymphocytes / Q000276:immunology*; D013934:Thymectomy; D013950:Thymus Gland / Q000166:cytology / Q000276:immunology*
chemical_list: D006241:Haptens