23795
A biological screening was performed to establish the total exposure to estrogenic compounds of red mullet ( Mullus barbatus ) collected at several sites along the Spanish Mediterranean coast by testing male fish bile extracts using the in vitro ER - LUC reporter gene assay .
 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