title: Interferon beta-1a during a first demyelinating event.
authors.forename: C M
authors.initials: CM
authors.lastname: Poser
mesh_terms: D003951:Diagnostic Errors; D006801:Humans; D016899:Interferon-beta / Q000627:therapeutic use*; D008279:Magnetic Resonance Imaging; D009103:Multiple Sclerosis / Q000175:diagnosis / Q000188:drug therapy*; D009188:Myelitis, Transverse / Q000175:diagnosis; D009902:Optic Neuritis / Q000175:diagnosis
chemical_list: D016899:Interferon-beta