3995
Working at a concentration level of I ( Na ) enhancement , ECG has no notable effect on voltage - gated K ( + ) currents and L - type Ca ( 2 + ) currents .
 Chemical: Na; Chemical: ECG; Chemical: K ( + ); Chemical: Ca ( 2 + )
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: ECG; Chemical: K ( + ); Chemical: Ca ( 2 + )