title: Natural haemagglutinins in surgically bursectomized and thymectomized chickens.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D000906:Antibodies / Q000032:analysis; D000917:Antibody Formation; D002060:Bursa of Fabricius / Q000276:immunology* / Q000601:surgery; D002645:Chickens; D006386:Hemagglutination Tests; D006801:Humans; D008623:Mercaptoethanol; D011817:Rabbits; D051381:Rats; D013934:Thymectomy; D013950:Thymus Gland / Q000276:immunology*
chemical_list: D000906:Antibodies; D008623:Mercaptoethanol