title: Cytarabine nixed for PML.
mesh_terms: D002986:Clinical Trials as Topic; D003561:Cytarabine / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D007968:Leukoencephalopathy, Progressive Multifocal / Q000188:drug therapy*; D016133:Polymerase Chain Reaction
chemical_list: D003561:Cytarabine