Association of veterinary medical services with reporting of bovine leukemia in selected Minnesota dairy herds.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D003612:Dairying; D005102:Health Expenditures; D007255:Information Services; D007938:Leukemia / Q000662:veterinary*; D008228:Lymphoma, Non-Hodgkin / Q000453:epidemiology / Q000662:veterinary*; D008910:Minnesota; D012959:Socioeconomic Factors; D014730:Veterinary Medicine