Niemann-Pick Disease Type C from Bench to Bedside
JAMA 276:561-564, Schiffmann,R., 1996
Clinical & Biochemical Correlates of Bradyphrenia in Parkinson's Disease
Neurol 37:1130-1134, Mayeux,R.,et al, 1987
Reaction Times & Attention in Parkinson's Disease
JNNP 50:1178-1183, Bloxham,C.A.,et al, 1987