5736
The ABR threshold in the 500 mM 3 - NP + KRG group was significantly lower than that in the 500 mM 3 - NP group from post 1 week to 1 month .
 Chemical: 3 - NP; Chemical: 3 - NP
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: 3 - NP; Chemical: 3 - NP