Precipitous Deterioration of Motor Function, Cognition, and Behavior
JAMA Neurol 74:591-596, Fernandez-Fournier, M.,et al, 2017
Parkinson's Disease
In Handbk of Clinical Neurology, Vinken, P. J. & Bruyn, G. W. , Ed, North-Holland Publ Co, Amsterdam, 6:173, 1968. Selby, G., 1968