Jaagsiekte--a hazard of intensified sheep husbandry.
D000236:Adenoma / Q000662:veterinary; D000818:Animals; D008175:Lung Neoplasms / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology*; D014777:Virus Diseases / Q000662:veterinary*