6881
In this study , the inducibility of these enzymes and monohydroxylation of 25 - hydroxyvitamin D3 ( 25OHD3 ) were evaluated after exposure to P450 - inducing drugs .
 Chemical: 25 - hydroxyvitamin D3; Chemical: 25OHD3
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: 25 - hydroxyvitamin D3; Chemical: 25OHD3