12615
Silica - lipid hybrid ( SLH ) formulations enhance the oral bioavailability and efficacy of celecoxib : An in vivo evaluation .
 Chemical: Silica; Chemical: celecoxib
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: Silica; Chemical: celecoxib