13167
Using curve - shift scaling , we measured the reward - and performance - enhancing effects of intra - accumbens ( 1 - 20 mu g ) and intra - habenular ( 10 - 40 mu g ) infusions of d - amphetamine or vehicle .
 Chemical: d - amphetamine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: d - amphetamine