title: How does one define progression of disease in patients with relapsing-remitting multiple sclerosis?
authors.forename: R A
authors.initials: RA
authors.lastname: Rudick
mesh_terms: D006233:Persons with Disabilities / Q000145:classification*; D018450:Disease Progression; D006801:Humans; D016899:Interferon-beta / Q000627:therapeutic use; D009103:Multiple Sclerosis / Q000145:classification / Q000473:pathology* / Q000628:therapy; D012008:Recurrence; D012016:Reference Values; D016896:Treatment Outcome
chemical_list: D016899:Interferon-beta