The incidence of disease resulting from infection with H. contortus in sheep sent to the Veterinary Investigation Centres in England and Wales from 1965 to 1967.
D000818:Animals; D004739:England; D007411:Intestinal Diseases, Parasitic / Q000453:epidemiology / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology*; D013272:Stomach Diseases / Q000453:epidemiology / Q000662:veterinary*; D014252:Trichostrongyloidiasis / Q000453:epidemiology*; D014852:Wales