8160
Positron emission tomography radioligands for dopamine transporters and studies in human and nonhuman primates .
 GENE: dopamine transporters
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: dopamine transporters 
Answer:
 GENE: dopamine transporters