22080
Ketoprofen transport studies across human skin clearly showed that the surfactant - based vesicular formulations were superior to the elastic liposomal formulations .
 Chemical: Ketoprofen
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: Ketoprofen 
Answer:
 Chemical: Ketoprofen