25041
To define the nasal dosimetry of naphthalene in the B6C3F1 male and female mouse , uptake of naphthalene vapor was measured in the surgically isolated upper respiratory tract ( URT ) at inspiratory flow rates of 25 or 50ml / min .
 Chemical: naphthalene; Chemical: naphthalene
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: naphthalene; Chemical: naphthalene