Diagnostic Criteria for Parkinson Disease
Arch Neurol 56:33-39, Gelb,D.J.,et al, 1999
Hereditary Form of Parkinsonism-Dementia
Ann Neurol 43:768-781, Muenter,M.D.,et al, 1998
A Clinicopathologic Study of 100 Cases of Parkinson's Disease
Arch Neurol 50:140-148, Hughes,A.J.,et al, 1993