title: Modification of immunologic reactivity in chicks by heterologous immune sera against central lymphatic tissue.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000961:Antilymphocyte Serum / Q000009:adverse effects*; D001402:B-Lymphocytes / Q000187:drug effects / Q000276:immunology*; D002060:Bursa of Fabricius / Q000187:drug effects* / Q000473:pathology; D002645:Chickens / Q000276:immunology; D006460:Hemolysin Proteins / Q000096:biosynthesis; D006968:Hypersensitivity, Delayed / Q000276:immunology; D011817:Rabbits / Q000276:immunology; D013601:T-Lymphocytes / Q000187:drug effects / Q000276:immunology*; D013934:Thymectomy; D013950:Thymus Gland / Q000187:drug effects / Q000473:pathology; D013997:Time Factors; D014374:Tuberculin Test
chemical_list: D000961:Antilymphocyte Serum; D006460:Hemolysin Proteins