Diagnostic Criteria for Parkinson Disease
Arch Neurol 56:33-39, Gelb,D.J.,et al, 1999
Neuropsychological Disturbances in Hemiparkinson's Disease
Neurol 37:1762-1764, Starkstein,S.,et al, 1987
Neurologic Complications of Heroin Addiction
Bull NY Acad Sci 49:4, Ritcher,R.W.,et al, 1973