22897
Avermectin induces P - glycoprotein expression in S2 cells via the calcium / calmodulin / NF - kappa B pathway .
 Chemical: Avermectin; Chemical: calcium
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: Avermectin; Chemical: calcium