828
To gain insight into the mechanism of this unwanted effect , mice were administered various doses of amiodarone and examined for changes in hepatic histology and gene regulation .
 Chemical: amiodarone
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: amiodarone