Epizootiologic studies on the natural transmission of bovine leukemia.
D000704:Analysis of Variance; D000818:Animals; D000831:Animals, Newborn; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology / Q000235:genetics*; D004196:Disease Outbreaks / Q000662:veterinary; D004197:Disease Reservoirs; D005260:Female; D007938:Leukemia / Q000209:etiology / Q000235:genetics / Q000662:veterinary*; D008218:Lymphocytosis / Q000662:veterinary; D051379:Mice; D012737:Sex Factors