Rate of development of clinical definite multiple sclerosis 10 years [clinicaltrials_resource:78a27e02fdfeea0f636f260b91b605b1]

Initiation of treatment with Interferon Beta 1a IM once weekly immediately after onset of a first demyelinating syndrome in high risk individuals

Rate of development of clinical definite multiple sclerosis 10 years [clinicaltrials_resource:78a27e02fdfeea0f636f260b91b605b1]

Initiation of treatment with Interferon Beta 1a IM once weekly immediately after onset of a first demyelinating syndrome in high risk individuals