11065
Using polymorphonuclear neutrophils ( PMNs ) in bronchoalveolar lavage fluid as a biomarker of inflammation , we attempted to quantify the relationship between responses to inhalation and intratracheal instillation of the nanoparticles , based on surface area doses .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None