24259
While the function of N - type calcium channels within astrocytes is controversial , these voltage - gated calcium channels have been linked to calcium - dependent vesicular gliotransmitter release .
 Chemical: N; Chemical: calcium; Chemical: calcium; 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: N; Chemical: calcium; Chemical: calcium; Chemical: calcium