title: Progressive multifocal leukoencephalopathy--progress made and lessons relearned.
authors.forename: J E
authors.initials: JE
authors.lastname: Greenlee
mesh_terms: D017088:AIDS-Related Opportunistic Infections / Q000175:diagnosis / Q000188:drug therapy*; D006801:Humans; D007577:JC Virus / Q000276:immunology; D007968:Leukoencephalopathy, Progressive Multifocal / Q000175:diagnosis / Q000188:drug therapy*; D008279:Magnetic Resonance Imaging