Rate of development of clinical definite multiple sclerosis 10 years [clinicaltrials_resource:6d1d560b15a20752ef6b33d2148e31f0]

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:6d1d560b15a20752ef6b33d2148e31f0]

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