Autonomic Failure as the Initial Presentation of Parkinson Disease and Dementia with Lewy Bodies
Neurol 63:1093-1095, Kaufmann,H.,et al, 2004
Treatments of Parkinson Disease
Arch Neurol 60:1680-1684, Shults,C.W., 2003
Parkinson's Disease
JNNP 57:672-681, Marsden,C.D., 1994