Bentvelzen, P [Letter: Marginal notes in relation to a newspaper report on a leukemia virus]. [electronic resource] - Nederlands tijdschrift voor geneeskunde May 1975 - 842-3 p. digital Publication Type: Journal Article ISSN: 0028-2162 Subjects--Topical Terms: Bone Marrow CellsCells, CulturedHumansLeukemia--microbiologyLymphocyte ActivationMethodsOncogenic Viruses--isolation & purification