9929
Electrophysiological recordings of voltage gated sodium , potassium , and calcium currents , in the presence of these guanidine alkaloids , were performed in cortical neurons from embryonic mice .
 Chemical: sodium; Chemical: potassium; Chemical: calcium; Chemical: guanidine alkaloids
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: sodium; Chemical: potassium; Chemical: calcium; Chemical: guanidine alkaloids