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Female Fvb mice were more susceptible to BUP than males with significantly increased inspiratory time ( p < 0 . 05 ) and to NBUP with significantly increased expiratory time ( p < 0 . 01 ) .
 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