19760
Plasma DHEA - S was determined by RIA , insulin concentrations by IRMA , and free fatty acids by using a commercial kit .
 Chemical: DHEA - S; Chemical: free fatty acids
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: DHEA - S; Chemical: free fatty acids