Precipitous Deterioration of Motor Function, Cognition, and Behavior
JAMA Neurol 74:591-596, Fernandez-Fournier, M.,et al, 2017
Levodopa Improves Spatial Contrast Sensitivity in Parkinson's Disease
Arch Neurol 50:721-724, Hutton,J.T.,et al, 1993
Creutzfeldt-Jakob Disease and Other Transmissible Spongiform Encephalopathies
Ed, F. O. Bastian, Mosby Year Book, St. Louis 9:153, Maertens,P.&Quindlen,E.A., 1991