11988
To achieve these objectives , adult female G . holbrooki were exposed to a vehicle control or one of three doses of the androgen 17 beta - trenbolone ( TB ) at nominal concentrations of 0 . 1 , 1 or 10 mu g TB / L .
 androgen, 17 beta - trenbolone
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 androgen, 17 beta - trenbolone