Rate of development of clinical definite multiple sclerosis 10 years [clinicaltrials_resource:fbb183e2b1ac96c5451e1f1afc5b7703]

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:fbb183e2b1ac96c5451e1f1afc5b7703]

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