16799
To investigate whether 11 - ketotestosterone ( 11 - KT ) or its immunoreactive metabolites are formed and excreted in ruminant feces , an enzyme immunoassay ( EIA ) was developed and validated .
 Chemical: 11 - ketotestosterone; Chemical: 11 - KT
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: 11 - ketotestosterone; Chemical: 11 - KT