Deteriorating Ischemic Stroke:Risk Factors and Prognosis
Neurol 40:1865-1869, Davalos,A.,et al, 1990
Survival of Implanted Fetal Dopamine Cells & Neuro Improvement 12 to 46 Months after Transpl for Parkinson's
NEJM 327:1549-1555, 15891992., Freed,C.R.,et al, 1992