title: Natalizumab-related PML 2 weeks after negative anti-JCV antibody assay.
authors: Cleveland.
authors: Daniel
authors: D
authors: Ontaneda
authors: Cleveland.
authors: Robert J
authors: RJ
authors: Fox
authors: Seattle.
authors: Marie-Sarah
authors: MS
authors: Gagne Brosseau
authors: Seattle.
authors: Gary
authors: G
authors: Stobbe
authors: Seattle.
authors: Annette
authors: A
authors: Wundes
mesh_terms: D006801:Humans; D007577:JC Virus / Q000276:immunology*; D007968:Leukoencephalopathy, Progressive Multifocal; D000069442:Natalizumab
chemical_list: D000069442:Natalizumab