29335
In the current study , SHR , Wistar - Kyoto ( WKY ) and Wistar ( WIS ) rats received a therapeutically relevant dose of methylphenidate ( 1 . 5mg / kg , p . o . ) or vehicle during adolescence and then OFC and mPFC DAT function and cellular expression were assessed during adulthood .
 methylphenidate
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 methylphenidate