Dermatomyositis
Lancet 355:53-57, Callen,J.P., 2000
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Neurol 49:1641-1645, Dyck,P.J.B.,et al, 1997
Scleroderma and Central Nervous System Vasculitis
Stroke 22:410-413, Pathak,R.&Gabor,A.J., 1991