3478
The MR cells in the branchial epithelia showed a strong Na ( + ) , K ( + ) - ATPase immunoreactivity to carbaryl treatment indicating an activated MR cell function .
 Chemical: Na ( + ); Chemical: K ( + ); Chemical: carbaryl
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: Na ( + ); Chemical: K ( + ); Chemical: carbaryl