4971
This effect was abolished by a calcium chelator ( BAPTA - AM ) , but not by the absence of extracellular calcium .
 Chemical: calcium; Chemical: BAPTA - AM; 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: calcium; Chemical: BAPTA - AM; Chemical: calcium