title: Immature liver fluke infection in winter and spring.
authors: David
authors: D
authors: Bartram
authors: Mike
authors: M
authors: Taylor
mesh_terms: D000818:Animals; D002417:Cattle; D005210:Fasciola hepatica / Q000254:growth & development*; D005211:Fascioliasis / Q000453:epidemiology / Q000635:transmission / Q000662:veterinary*; D006801:Humans; D010270:Parasite Egg Count / Q000662:veterinary; D012621:Seasons; D012756:Sheep