27792
We assessed nociception , endocannabinoids and the therapeutic efficacy of R - flurbiprofen in young and aged mice in the spared nerve injury model of neuropathic pain .
 Chemical: R - flurbiprofen
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: R - flurbiprofen