9943
When added in a low - calcium medium , both agonists stimulated calcium entry when external calcium was added , suggesting that two different mechanisms of entry were impaired by zinc deficiency .
 Chemical: calcium; Chemical: calcium; Chemical: calcium; Chemical: zinc
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: calcium; Chemical: calcium; Chemical: zinc