1196
3 . Extensive studies concerned with the induction of cytochrome P450 and Phase II enzymes in precision - cut tissue slices from various animal and human tissues , such as liver , lung and intestine , using established inducing agents have revealed that slices mimic the in vivo situation .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None