24175
Cardiac fibroblasts from guinea pigs administered with ATO ( 1mg / kgbw ) were used to test the pro - apoptotic role of ATO in vivo .
 Chemical: ATO; Chemical: ATO
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: ATO; Chemical: ATO