title: Etiology and dissemination of the blackhead disease syndrome in turkeys and chickens.
mesh_terms: D000818:Animals; D000845:Annelida; D001181:Arthropods; D001419:Bacteria; D002645:Chickens; D004199:Disease Vectors; D005658:Fungi; D010124:Oxyuroidea; D011201:Poultry Diseases / Q000453:epidemiology / Q000209:etiology; D011529:Protozoan Infections, Animal; D014422:Turkeys