as in human parkinson 's disease , long-term l-dopa therapy of mptp-induced parkinsonism tends to be complicated by the emergence of choreiform movements and dystonic postures ( boyce , clarke , luquin , peggs , robertson , mitchell , sambrook & crossman , 1989 ; clarke , sambrook , mitchell & crossman , 1987 ) .
C0030567
parkinson 's disease
C0023570
l-dopa