2063
Endogenous release of neuronal serotonin and 5 - hydroxyindoleacetic acid in the caudate - putamen of the rat as revealed by intracerebral dialysis coupled to high - performance liquid chromatography with fluorimetric detection .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
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