7806
The results showed that ISO induced cell death in a dose - and time - dependent manner , and induction apoptosis is main cause for ISO - induced cytotoxicity in HepG2 cells .
 Chemical: ISO; Chemical: ISO
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: ISO; Chemical: ISO