4408
We have studied the regional cerebral blood flow ( rCBF ) changes induced by the execution of a finger - to - thumb opposition motor task in the supplementary and primary motor cortex of two groups of parkinsonian patients on L - dopa medication , the first one without L - dopa induced dyskinesia ( n = 23 ) and the other with moderate peak - dose dyskinesia ( n = 15 ) , and of a group of 14 normal subjects .
 Disease: parkinsonian; Chemical: L - dopa; Chemical: L - dopa; Disease: dyskinesia; Disease: dyskinesia
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Disease: parkinsonian; Chemical: L - dopa; Chemical: L - dopa; Disease: dyskinesia; Disease: dyskinesia