title: Does the flap of a butterfly's wings in Brazil set off a tornado in Texas?--The JC Virus Story in multiple sclerosis.
authors.affiliation: Multiple Sclerosis Center, Sheba Medical Center, Tel Hashomer, Israel. achiron@post.tau.ac.il
authors.forename: Anat
authors.initials: A
authors.lastname: Achiron
authors.forename: Shmuel
authors.initials: S
authors.lastname: Miron
authors.forename: Yehuda
authors.initials: Y
authors.lastname: Shoenfeld
mesh_terms: D000276:Adjuvants, Immunologic / Q000009:adverse effects / Q000627:therapeutic use; D000911:Antibodies, Monoclonal / Q000009:adverse effects* / Q000494:pharmacology / Q000627:therapeutic use; D061067:Antibodies, Monoclonal, Humanized; D002986:Clinical Trials as Topic / Q000009:adverse effects; D003424:Crohn Disease / Q000150:complications / Q000188:drug therapy; D006801:Humans; D007166:Immunosuppressive Agents / Q000009:adverse effects / Q000627:therapeutic use; D007577:JC Virus / Q000302:isolation & purification; D007968:Leukoencephalopathy, Progressive Multifocal / Q000139:chemically induced / Q000821:virology*; D009103:Multiple Sclerosis / Q000150:complications* / Q000188:drug therapy / Q000821:virology*; D000069442:Natalizumab
chemical_list: D000276:Adjuvants, Immunologic; D000911:Antibodies, Monoclonal; D061067:Antibodies, Monoclonal, Humanized; D007166:Immunosuppressive Agents; D000069442:Natalizumab