19048
Tissue bioaccumulations were determined by HPLC / MS / MS , steroid hormones , fatty acids ( FAs ) and lipids were determined by GC - MS , while mRNA expression levels of genes were determined by qPCR in whole body homogenate .
 Chemical: steroid; Chemical: fatty acids; Chemical: FAs
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: steroid; Chemical: fatty acids; Chemical: FAs