title: [Leukemia study in twin calves].
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000097:blood*; D002455:Cell Division; D005260:Female; D007938:Leukemia / Q000662:veterinary*; D007958:Leukocyte Count; D008214:Lymphocytes / Q000502:physiology; D011247:Pregnancy; D013997:Time Factors; D014427:Twins
vernacular_title: Izuchenie leikoza u teliat-bliznetsov.