10059
We quantified the coupling distance by combining multiprobability fluctuation analyses , presynaptic Ca ( 2 + ) imaging , and reaction - diffusion simulations in wild - type and calretinin - deficient mice .
 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: Ca ( 2 + )