21195
These results indicate that ET - 3 expression in the SFO is tightly coupled with body - fluid homeostasis through modulation of the [ Na ( + ) ] o sensitivity of Nax .
 Chemical: Na ( + )
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 ( + )