13604
The lower fugacities of PBDEs in the intestine may have significance in the transportation of PBDEs from prey to predatory fish .
 Chemical: PBDEs; Chemical: PBDEs
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: PBDEs; Chemical: PBDEs