1116
Apamin , a selective blocker of calcium - dependent potassium channels , was administered intracerebroventricularly in rats anesthetized with 0 . 8 % sevoflurane to investigate the mechanism of the anticonvulsive effects .
 Apamin, calcium, potassium, sevoflurane
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Apamin, calcium, potassium, sevoflurane