13364
An oligonucleotide microarray with more than 15 , 000 sequences was used to assess differentially expressed hepatic mRNA levels in female eelpout collected from the contaminated area at G o teborg harbor compared to fish from a national reference site , Fj a llbacka .
 None
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:  
Answer:
 None