10385
Method : Skin penetration enhancers ( SPEs ) able to improve the skin permeability of PR were selected and a quality by design approach was applied to the development of the patch by a 2 ( 4 ) full factorial design .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None