5288
Experimental exposure of eggs to polybrominated diphenyl ethers BDE - 47 and BDE - 99 in red - eared sliders ( Trachemys scripta elegans ) and snapping turtles ( Chelydra serpentina ) and possible species - specific differences in debromination .
 polybrominated diphenyl ethers, BDE - 47, BDE - 99
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 polybrominated diphenyl ethers, BDE - 47, BDE - 99