423
The high dose ( 2 tablets per day ) decreased STAI scores within 3 days in human subjects , an effect that remained stable for the duration of the treatment ( 7 days ) and for the 2 weeks that followed treatment .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None