20093
The [ ( 18 ) F ] FDG PET imaging and field potential analysis suggested a delay in brain activity and impaired neural function by MeHg .
 Chemical: [ ( 18 ) F ] FDG; Chemical: MeHg
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: [ ( 18 ) F ] FDG; Chemical: MeHg