title: The longevity of hydatid cysts in horses.
mesh_terms: D000818:Animals; D004444:Echinococcosis, Hepatic / Q000469:parasitology / Q000662:veterinary*; D004445:Echinococcosis, Pulmonary / Q000469:parasitology / Q000662:veterinary*; D004446:Echinococcus / Q000502:physiology*; D006734:Horse Diseases / Q000469:parasitology*; D006736:Horses / Q000469:parasitology; D007249:Inflammation; D013997:Time Factors