12708
We conclude that the NPSR1 A / T polymorphism is associated with impulsivity , ADHD symptoms and personality , mirroring the activity - and anxiety - mediating role of NPSR1 .
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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