Dopamine-Responsive Dystonia
eMedicine (Apr), Nikhar,N.K., 2006
Parkinson's Disease
Lancet 363:1783-1793, Samii,A.,et al, 2004
Parkinson's Disease
NEJM 339:1044-1053,1130-1143, Lang,A.E.&Lozano,A.M., 1998
Parkinsonism-Recognition and Differential Diagnosis
BMJ 310:447-452, Quinn,N., 1995