22036
Intermediate - conductance calcium - activated K ( + ) channels ( KCa3 . 1 channels ) have important roles in cell proliferation .
 Chemical: calcium; Chemical: K ( + )
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: K ( + )