4885
This work provides evidence for AHR2 dependent cross - talk inhibition of vitellogenin genes and offers insight into anti - estrogenic reproductive effects observed in oviparous species exposed to AHR agonist contaminants .
 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