Van der Maaten, M J Isolation of a virus from cattle with persistent lymphocytosis. [electronic resource] - Journal of the National Cancer Institute Dec 1972 - 1649-57 p. digital Publication Type: Journal Article ISSN: 0027-8874 Standard No.: 10.1093/jnci/49.6.1649 doi Subjects--Topical Terms: AnimalsCattleCattle Diseases--bloodCells, CulturedFiltrationFluorescent Antibody TechniqueImmunodiffusionLeukocyte CountLymphocytosis--bloodRNA Viruses--isolation & purificationSpleen--cytology