title: Antibodies to TRT in chickens with swollen head syndrome.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis*; D002645:Chickens; D011201:Poultry Diseases / Q000276:immunology*; D014780:Viruses / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral