Hafez, S M Preliminary studies on enzootic bovine leukosis in Saudi dairy farms. [electronic resource] - DTW. Deutsche tierarztliche Wochenschrift Feb 1990 - 61-3 p. digital Publication Type: Journal Article ISSN: 0341-6593 Subjects--Topical Terms: AnimalsAntibodies, Viral--analysisCattleCattle Diseases--epidemiologyLeukemia--epidemiologyLeukemia Virus, Bovine--immunologyPrevalenceSaudi Arabia--epidemiology