lisuride alone ( 13 patients ) or combined with levodopa ( 50 patients ) resulted in a 34 % decrease in pd disability as assessed in the 'on ' period , a 16 % decrease in disability as assessed in the 'off ' period , and a 96 % increase in the numbers of hours in which patients were 'on ' ( from 5.5 to 10.8 h ) .
C0023570
levodopa
C0030567
pd