16137
The gills contained 42 - 46 % and the digestive glands 23 - 24 % of the total toxin load using dissolved AZAs , compared to 3 - 12 % and 75 - 90 % , respectively , in mussels exposed to live A . spinosum .
 AZAs
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 AZAs