6829
The aim of this study was to investigate the impact of l - DOPA administration on the effect elicited by antidepressants on serotonergic and noradrenergic neurotransmission .
 Chemical: l - DOPA
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: l - DOPA