Autumn Nematodirus helvetianus infections in calves.
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Hollands
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D005243:Feces / Q000469:parasitology; D057808:Nematodirus; D012621:Seasons; D017206:Strongylida Infections / Q000453:epidemiology / Q000662:veterinary*