title: Defining multiple sclerosis treatment response with magnetic resonance imaging: how much activity is too much?
authors.forename: Paul S
authors.initials: PS
authors.lastname: Giacomini
authors.forename: Douglas L
authors.initials: DL
authors.lastname: Arnold
authors.forename: Amit
authors.initials: A
authors.lastname: Bar-Or
authors.forename: Jack P
authors.initials: JP
authors.lastname: Antel
mesh_terms: D002490:Central Nervous System / Q000187:drug effects* / Q000473:pathology* / Q000503:physiopathology; D002986:Clinical Trials as Topic / Q000592:standards / Q000706:statistics & numerical data; D018450:Disease Progression; D006801:Humans; D016899:Interferon-beta / Q000627:therapeutic use*; D008279:Magnetic Resonance Imaging; D009103:Multiple Sclerosis / Q000175:diagnosis* / Q000188:drug therapy* / Q000276:immunology; D009413:Nerve Fibers, Myelinated / Q000187:drug effects / Q000473:pathology; D017063:Outcome Assessment, Health Care / Q000379:methods / Q000592:standards; D016896:Treatment Outcome
chemical_list: D016899:Interferon-beta