Gauthier, S A Incidence and factors associated with treatment failure in the CLIMB multiple sclerosis cohort study. [electronic resource] - Journal of the neurological sciences Sep 2009 - 116-9 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1878-5883 Standard No.: 10.1016/j.jns.2009.04.020 doi Subjects--Topical Terms: AdultContrast MediaDisease ProgressionFemaleFollow-Up StudiesGadoliniumGlatiramer AcetateHumansImmunologic Factors--therapeutic useIncidenceInterferon beta-1aInterferon beta-1bInterferon-beta--therapeutic useMagnetic Resonance ImagingMaleMiddle AgedMultiple Sclerosis, Relapsing-Remitting--drug therapyPeptides--therapeutic useProspective StudiesRisk FactorsTreatment FailureYoung Adult