Holmøy, T Management of progressive multifocal leukoencephalopathy associated with natalizumab--possibilities and responsibility. [electronic resource] - European journal of neurology Aug 2006 - e2 p. digital Publication Type: Letter ISSN: 1468-1331 Standard No.: 10.1111/j.1468-1331.2006.01555.x doi Subjects--Topical Terms: Antibodies, Monoclonal--adverse effectsAntibodies, Monoclonal, HumanizedHumansIntegrin alpha4--immunologyLeukoencephalopathy, Progressive Multifocal--etiologyNatalizumab