6301
INTERVENTIONS - - Patients allocated to treatment with levodopa / dopa decarboxylase inhibitor alone ( arm 1 ) , levodopa / decarboxylase inhibitor / selegiline in combination ( arm 2 ) , or bromocriptine ( arm 3 ) .
 levodopa / dopa decarboxylase, levodopa / decarboxylase
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 levodopa / dopa decarboxylase, levodopa / decarboxylase