The epidemiology of some nematode infections in calves.
D000818:Animals; D001991:Bronchitis / Q000662:veterinary; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D005759:Gastroenteritis / Q000662:veterinary; D009348:Nematoda / Q000254:growth & development; D009349:Nematode Infections / Q000453:epidemiology / Q000517:prevention & control / Q000662:veterinary*; D014252:Trichostrongyloidiasis / Q000662:veterinary