15332
No differences in P - gp expression or BUP and NBUP transport across the BBB were observed between male and female Fvb mice as well as between Swiss and Fvb mice .
 Chemical: BUP; Chemical: NBUP
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: BUP; Chemical: NBUP