23119
An optimised method for the accurate determination of zeranol and diethylstilbestrol in animal tissues using isotope dilution - liquid chromatography / mass spectrometry .
 Chemical: zeranol; Chemical: diethylstilbestrol
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: zeranol; Chemical: diethylstilbestrol