29337
Methylphenidate increased DAT Vmax in SHR mPFC and decreased DAT Vmax in WKY OFC .
 Chemical: Methylphenidate
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: Methylphenidate 
Answer:
 Chemical: Methylphenidate