Needle transmission of bovine leucosis virus.
D000818:Animals; D001800:Blood Specimen Collection / Q000009:adverse effects / Q000662:veterinary; D002417:Cattle; D002418:Cattle Diseases / Q000635:transmission*; D005260:Female; D001909:Leukemia Virus, Bovine; D008228:Lymphoma, Non-Hodgkin / Q000635:transmission / Q000662:veterinary*; D009339:Needles; D009366:Neoplasm Seeding / Q000662:veterinary*