18196
The aim of the present study was to evaluate the protective effect of aqueous extract from Platycodon grandiflorum ( BC703 ) on bile duct ligation ( BDL ) - induced hepatic fibrosis in rats .
 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