827
A dose - dependent fall in GABA content was observed ; GABA decrease was evident 15 min after the administration , reached its nadir at 60 min and disappeared at 120 minutes .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None