Fig. 3.
Network of studies, time to clinically definite MS. ifn1a30: IFN β-1a 30 µg IM once a week; ifn1a44: IFN β-1a 44 µg SC three times weekly; ifn1b250: IFN β-1b 250 µg SC every other day; ga20: GA 20 mg SC once daily; plac: placebo
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