Invited Article: Nervous System Pathology in Sporadic Parkinson Disease
Neurol 70:1916-1925, Braak,H. & Del Tredici,K., 2008
The Parkinsons Complex: Parkinsonism Is Just the Tip of the Iceberg
Ann Neurol 59:591-596, Langston,J.W., 2006
Olfactory Dysfunction in Parkinson's Disease
JNNP 62:436-446, Hawkes,C.H.,et al, 1997