title: Fasciola hepatica--contributions to its zoogeography and epidemiology in Norway.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D005211:Fascioliasis / Q000453:epidemiology / Q000635:transmission / Q000662:veterinary*; D009664:Norway; D012621:Seasons; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology*