Parkinson's Disease
Lancet 363:1783-1793, Samii,A.,et al, 2004
Computerized Posturography Analysis of Progressive Suprnuclear Palsy
Arch Neurol 57:1464-1469, Ondo,W.,et al, 2000
Diagnostic Criteria for Parkinson Disease
Arch Neurol 56:33-39, Gelb,D.J.,et al, 1999