Autonomic Failure as the Initial Presentation of Parkinson Disease and Dementia with Lewy Bodies
Neurol 63:1093-1095, Kaufmann,H.,et al, 2004
Comparison of Therapeutic Effects & Mortality Data of Levodopa & Levodopa with Selegiline in Pts with Early, Mild Parkinson's
BMJ 311:1602-1607, 15831995., Lee,A.J.,et al, 1995
Parkinson's Disease
JNNP 57:672-681, Marsden,C.D., 1994